After writing a negative review below I discovered that my devices have a built in timer. My fault! Installed 10 of 12 bulbs and all failed (turned off) after a few hours. When I turned off the power for a few hours, they all turned back on when the power was restored, but a little later they went out again.
Lamp LED Yeelight Smart LED Bulb 1S, YLDP13YL, E27, 8.5 W, 6500 K
43 Review
Smart socket Yandex with Alice, black
30 Review
Royal Canin Gastrointestinal Low Fat Dry diet food for adult dogs with digestive disorders, 12 kg
23 Review
Lamp LED Yeelight Smart LED Bulb W3 (YLDP005), E27, A60, 8 W, 6500 K
47 Review