Yeelight Mesh downlight

Product code: YLSD01YL

Specifications:

220v AC 50Hz 0.033A
Color temperature: 2700K - 6500K
Light intensity: 300lm
Light angle: 120 degrees
Hole size: 70 - 80 mm
Dimmable: 5% - 100%
Intensity: 300lumen at 3900K
Bluetooth 5.0 (certified)

The Yeelight Mesh downlight is a build-in led light running at 220V 0.033A. You can control it with a Bluetooth 5 enabled device. This may be your phone or the new Mi smart hub (ZNDMWG03LM) which supports Bluetooth mesh. Bluetooth mesh means that the signal of one device will be repeated through another, so the more lights you have, the better the connection.
Adding the light is easy, first reset the device by turning it on and of five times and waiting two seconds in between. The light will fade on and off a few times and glow solid to confirm that it is reset. Now you can add them with the Mi home app or use the Yeelight app (as long as you use the same account voor both apps the lights will be available in both apps). For the Mi Home app just click the (+) and look for the devices nearby. You can add all the devices at once or add them one by one. When all the lights are added you can create a light group. With a light group you can control all the lights as one single light. There are some downsides with controlling a group: it is not possible to set the color temperature or intensity.
Now you can set automations or just control the lights with the app.

At the back are some logos:
Intended for home use
Certified bluetooth
CCC for China Compulsory Certification
10 logo
Double insulated

This device is intended for the Chinese market and has no CE certification. Be aware that local regulations might prohibit installing this or may invalidate your insurance.

The lights give a nice spread and the color temperature has a more than adequate range. I installed them in the bathroom ceiling with a medium color temperature. I combined them with a motion sensor to switch them off when there is no motion detected in 10 minutes (and reactivate when there is motion). 
My next goal will be to switch them in different modes depending on the time: very dim and warm after midnight, bright in the morning and during the day. Off course also adjustable with a wireless switch.

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