Bulbs are TOO LONG and will not fit properly. The lamp used extends beyond the glass diffuser so that the retaining ring cannot be screwed onto the lamp. Sending back too much trouble. I ended up ordering CBConcept brand halogen bulbs, which are shorter and fit better.
Lamp LED Yeelight Smart LED Bulb 1S, YLDP13YL, E27, 8.5 W, 6500 K
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Lamp LED Yeelight Smart LED Bulb W3 (YLDP005), E27, A60, 8 W, 6500 K
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