
I've had 14 of these at church for a few months and they've been trouble free so far (and they run on just under 8 volts). Beam spread is a few degrees wider than traditional MR11s, which is what I expected. The color temperature seems to be stable.

Lamp LED Xiaomi Mi Smart LED Bulb Warm White (XMBGDP01YLK), E27, 8 W, 2700 K
26 Review

Smart socket Yandex with Alice, black
30 Review

Ceiling lamp Yeelight YLXD013-B, 50 W, number of lamps: 1 pcs., color: white
62 Review

Lamp LED Yeelight Smart LED Bulb 1S, YLDP13YL, E27, 8.5 W, 6500 K
43 Review