LED bulkhead lights with motion sensor

First locate the area to cover, then choose a downlight whose sensor is housed inside the unit: the light comes on by itself when it detects motion and switches off after an adjustable delay. Range, time delay and ingress protection rating then determine the model, depending on whether the room is dry, damp or exposed.

What is an LED downlight with a built-in motion sensor?

An LED downlight with a built-in motion sensor is a flat light, recessed or surface-mounted, whose sensor is housed inside the unit: there is no separate detector mounted beside it. The light comes on by itself when someone walks past, then switches off after an adjustable delay.

LED downlight with built-in motion sensor: what is inside the unit

Three elements share the same housing: the light source, the control electronics and the detection cell, often a lens placed behind a diffuser. Two families stand out. The one with an integrated LED cannot be replaced, the light is a single unit. The one with a replaceable bulb takes a standard-cap LED, which lets you change the colour temperature or the wattage without taking the fitting down again.

The built-in sensor differs from a separate detector mounted on the ceiling next to a classic light: here, sensor and light are one, and the whole unit stays flat. To compare housings, browse the LED downlights, then widen your search to the other downlights in the catalogue.

LED downlights with detection: the three settings to know

Three settings appear on almost every model, accessible via dials under the unit or detailed in the instructions: range, angle and time delay. Some models add a brightness threshold and a switch to disable the sensor. These are the levers that decide real comfort in the room, more than the shape of the downlight.

Where to install a motion sensor LED downlight?

Wherever you walk through with your hands full: entrance, hallway, landing, stairwell, cellar, garage, covered terrace. The downlight replaces the switch and lights only while someone passes. In a damp room or outdoors, it is the model's ingress protection rating that decides, not the sensor.

Entrance, hallway, stairwell: the passages that trigger the light

In a narrow hallway, a downlight recessed into the ceiling in the middle of the path covers both directions of travel. In a stairwell, several recessed points relay each other to light the flight without a shadow between two steps. At the entrance, a wall-mounted model placed at handle height lights the door before you get your keys out. The detection angle is set towards the passage area, never towards a window or a radiator.

Cellar, garage, terrace: when detection also serves as security

In a cellar or garage, a surface-mounted downlight on a side wall saves you walking forward in the dark to find the switch. The unit must then cope with dust and the room's temperature swings. On a covered terrace or a sheltered facade, aim for downlights for damp rooms and sheltered outdoor areas: water resistance comes first.

Which LED bulb is compatible with a motion sensor?

A standard-cap LED bulb works with a motion sensor if it withstands repeated switching. LEDs designed for dimmers or sensors are the most reliable: the sensor's minimum load must match the bulb's wattage, otherwise switching becomes unstable.

GU10 or E27 cap: what changes for the sensor

The cap has no effect on detection: GU10 and E27 power the bulb the same way. What matters is that the bulb fits the light and that its wattage reaches the minimum threshold accepted by the sensor's electronics. A low-wattage LED can stay below that threshold and cause erratic triggering. Before ordering, compare the caps in the lighting catalogue.

Why some LEDs flicker or stay dimly lit

Flickering at rest almost always comes from the same mechanism: a load too low for the sensor, or an LED not compatible with sensor-based power. The classic symptom is a residual glow at night. The solution is to choose a bulb stated as sensor or dimmer compatible, or to go for a downlight with an integrated LED, which avoids the bulb question altogether.

Why install motion sensor LED lighting?

Detection removes the forgotten switch-off: the light burns only while someone passes, which limits consumption and the light's operating hours. It also saves you hunting for a switch in a hallway with your hands full, and lights the passage areas at night.

Motion detection or presence detection: what is the difference

Motion detection reacts to clear movement, typically someone walking past, and switches off if you stay still. Presence detection, more sensitive, keeps the light on even without movement, which suits an office or a fixed workstation. A passage downlight usually uses the former. Compare models in the downlight range along these lines.

What detection changes for consumption and lifespan

The gain comes less from a miracle technology than from cutting out unnecessary hours: a light that comes on at every pass accumulates far less time than a ceiling light left running. Fewer hours lit also means less strain on the electronics and the light source. The time delay setting plays a direct role here, without needing to promise a precise figure.

How to set an LED downlight with a built-in motion sensor?

Three settings are enough: the time delay, which sets how long the light stays on after the last movement; the range or angle, to be aimed at the area to cover; the brightness threshold, which prevents the light coming on while it is still daylight. A sensor that can be disabled lets you return to classic operation.

Setting the time delay, range and angle

Set the range first, with the sensor aimed at the passage area, without pointing at a heat source or a busy street. Then the time delay: too short, the light goes out before you finish the trip; too long, it stays on for nothing. A gradual setting, tested by walking through the room, beats a value picked at random. Find the equipped units in our lighting range.

Setting the brightness threshold so the light only comes on at night

The brightness threshold, or twilight cell, prevents the light coming on in broad daylight: the sensor measures ambient light and blocks triggering while it is still bright. Set too high, it makes the downlight useless in the late afternoon; set too low, it comes on at the slightest dimness. On a model with a disable switch, you can also lock the light on for continuous use, without removing the fitting.

Downlight, ceiling light or LED wall light: which to choose?

A downlight suits passages and small surfaces. An LED ceiling light illuminates a living room widely. An LED wall light shines upwards or downwards and frees the floor. The choice depends on the surface to cover, the colour temperature and compatibility with a sensor.

Modern or powerful LED ceiling light for a living room: what changes the light

In a living room, the light must be diffuse and covering: an LED ceiling light centred on the room gives that even wash that the more directional downlight does not provide. Colour temperature does the rest of the feel, warm white for relaxation rooms, neutral white for a workspace. Find these models in the full Designix lighting range.

Powerful or modern LED wall light: where to place it

A wall light illuminates a hallway, an entrance or a headboard without taking up ceiling space. Placed high and aimed downwards, it guides your step; aimed upwards, it creates ambient light. Many models accept a sensor, which makes them an alternative to the downlight when the passage is narrow. Browse lighting, the starting point for the classification to place the families.

LED ceiling lighting: ceiling light or recessed downlights?

A ceiling light illuminates from a central point, a set of recessed downlights illuminates in patches, closer to circulation areas. For an L-shaped hallway or a long room, several downlights beat a single light point. For a living room, also compare with 100% LED models before deciding the layout.

LED chandelier and cuttable LED strip: when detection is not the right answer

A living room LED chandelier is controlled manually: it is ambience and living space lighting, not passage lighting. An LED strip can, however, be paired with a sensor in a cupboard, a staircase or a hallway. Detection serves passages, not decorative lighting.

Living room LED chandelier: ambience lighting, not passage lighting

Above a table or in the centre of a living room, you want to switch on when you sit down and switch off at the end of the meal: a sensor there would trigger the light every time someone crosses the room. The chandelier therefore stays on manual control. Its light can be complemented by automated passage points, without mixing uses.

LED strip: where detection replaces the switch

In a cupboard, a staircase or a niche, a cuttable LED strip paired with a sensor comes on when opened and switches off by itself. The strip is cut only on the printed marks, never between two. The power supply and the sensor go on the same dedicated circuit. To widen the comparison, look at all our lights and their respective uses.

Waterproof downlights and ingress protection: which IP for which room?

The IP rating indicates resistance to dust and water. A downlight installed in a bathroom, under a canopy or on a terrace needs a high IP, IP44 for splashes and more for highly exposed locations. The product sheet gives the exact value, to check before installation.

Bathroom, terrace, basement: the rooms that need a waterproof downlight

In a bathroom, it is water splashes that require a protected unit, more than steam. Under a canopy, on a facade or on a terrace, driving rain and lasting damp decide. In a basement, dust counts as much as damp. In all these cases, look for waterproof downlights and read the rating before choosing the mounting.

Material, glass and maintenance: what holds up outdoors

An aluminium or stainless steel unit withstands temperature swings better than thin plastic. Tempered glass or quality polycarbonate can be cleaned without scratching and keeps its clarity. Maintenance is limited to a soft, non-abrasive cloth, with no aggressive product on the sensor lens. A suitable material extends the life of the light in sheltered outdoor use.

How to install and maintain an LED sensor downlight?

After cutting the power, mark the location, drill to the recess diameter or fix the wall bracket, then connect and set the range and time delay. A clean sensor, aimed away from vehicle traffic and nearby heat sources, limits false triggering.

Drill, connect, set: the order of the steps

Switch off the circuit breaker before any work and follow the model's instructions. Mark the location, trace the template, drill to the stated recess diameter or screw on the surface-mount bracket. Connect the wires according to the diagram, live and neutral identified, then refit the cover and restore the power. Finish with the settings, walking through the room to validate the range. For wall mounting, see wall and ceiling downlights.

Clean, well-aimed sensor: avoiding false triggering

A dirty or badly aimed lens triggers for no reason: a vehicle passing in front of a bay window, a pet, a warm air draft. Clean the lens regularly with a dry cloth, and reduce the range if the monitored area spills onto the street. Fine tuning beats a more sensitive sensor.

Frequently asked questions about motion sensor LED downlights

Choosing your sensor downlight: the criteria that matter

Keep four criteria in this order to choose among the 14 references in the collection: the ingress protection rating for the room, the mounting type recessed or surface-mounted, the light source integrated LED or replaceable bulb, then the available settings, range, time delay and brightness threshold. A sensor that can be disabled remains a plus in a room with variable use.

To go further, all our lights are classified by family and by use. The 14 references in this collection stand out for their built-in motion sensor, to be set according to the room and the use.