








💡 Light up your life—smart, sleek, and always one step ahead.
The LE Electronics PM400 SmartCeil is a surface-mounted 360° PIR motion sensor light switch with a 5-meter detection range. Designed for easy DIY installation in UK homes, it automatically turns lights on/off to save up to 30% energy. Its weatherproof casing makes it ideal for humid indoor spaces like bathrooms, while adjustable timers enhance security by illuminating areas during unexpected movement.






| ASIN | B073Z79XCC |
| Batteries Required? | No |
| Batteries included? | No |
| Battery description | Battery not included |
| Best Sellers Rank | 38,351 in DIY & Tools ( See Top 100 in DIY & Tools ) 67 in Motion Detectors (DIY & Tools) |
| Colour | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (274) |
| Date First Available | 16 July 2017 |
| Included Components | PIR, menu |
| Item Package Quantity | 1 |
| Item Weight | 115 g |
| Item model number | PM400 |
| Manufacturer | LE Electronics Product Limited |
| Part Number | LE-PM400-01-230 |
| Plug profile | Surface Mount |
| Power Source | Corded Electric |
| Product Dimensions | 8.5 x 8.5 x 2.5 cm; 115 g |
| Size | One size |
S**T
Using it on a bathroom extraction fan
Fits a standard single socket back box. Has rubber gasket. So ok for bathroom ceilings. I am using it to switch my bathroom extractor fan on . Love the timer so it runs when using the bathroom and for a time afterwards. The lux control is good and when set correctly. It picks up anyone walking into the bathroom. The wiring diagram is clear . Worked first time.
M**A
Nice Blue illumination
Good motion sensor, works well with no issues for a year, easy to adjust sensitivity.
R**S
Good detection and easy to fit
Good CNN product with a wide area of detection. The blue indicator on the device lets you know that movement has been detected.
S**N
Motion Detection Excellent but Lux Adjustment Poor
This unit was dead simple to wire up and fit to the ceiling in my kitchen. The motion detection is very sensitive and works really well, but the lux adjustment is poor and although it has a variable sensitivity control, it only seems to have two options in reality, that is, the lights either turn on no matter what the ambient light level in the room or else they come on when the ambient light level has dropped to a very low level. I spent quite some time trying to set the device to work at somewhere in between the two extremes, but I was unable to achieve that, so I have set the unit to operate at any ambient light level and just leave it turned off at the wall switch in the daytime.
K**W
Replaced two way garage light switch
Handy to be able to directly replace old light switches with this motion sensor. Took longer than I thought when I realised that the old switch was only wired to live, and so I had to do some rewiring to trace back the neutral. Wiring to the back of the motion sensor was very awkward at first... it was only when I installed the second that I realised by accident that the junction block pops off the back, making it much much easier to fit! Deserves stars for the fact that it doesn’t need much / any clearance in the back box, meaning that it will fit pretty much any back box. Of course so long as you have the neutral wire handy...
M**L
Works fine
Installed this in a cylinder my stair to work an led light and it has been working fine for over a year
S**R
The PIR sensor has poor sensitivity
The PIR sensor has poor sensitivity, you have to wave your hands sometimes to switch it on again.
B**S
Good for controlling toilet lights
Used this to replace a similar item which controls the lights in a toilet at our church. Does the job well, and wiring was straightforward.
G**N
Simple à installer et rien à dire pour les performances, détecte bien la présence déclenchement immédiat. J'en ai recommandé pour le garage.
R**L
Fonction bien mais n’a pas une grande portée je dirais 5 6 mètres. Pour couvrir efficacement un escalier j’en ai mis un en haut et un en bas en parallèle. Le réglage crépusculaire n’est pas top, au Max sur nuit il s’allume déjà le soir quand ce n’est pas encore utile . Mais bon pour le prix c’est très bien . J’ai du fabriquer une rehausse en bois à cause du domino de raccordement électrique .
D**U
Je l'ai installé sous une poutre horizontale dans un grenier et dans une boîte de dérivation car le domino à l'arrière gène. Marche très bien mais il faut vraiment que le mouvement se situe dessous. Mais il a l'air de bien fonctionner. Je recommande tout de mêmeà condition de savoir se débrouiller.
B**E
Lo anuncian de superficie pero la regleta de conexión está fuera y tiene que ir empotrado.
D**8
la détection est assez sensible, la lumière intégrée au détecteur peut servir d’éclairage léger pour la nuit. Elle s'allume dès qu'un mouvement est détecté, reste allumé tant qu'il y a mouvement, et s’éteint 5 secondes après. Le réglage du temps "Time", de 5s à 40min, n'est valable que pour branchement externe par le domino. Je n'ai pas testé le réglage "Lux".
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