Beam angle: 60°. Tested in 30, 60 and 90-minute fire rated ceilings. Tuneable Warm to White Light: 2200-5000K. You can connect your ZigBee-based smart devices to Alexa using the ZigBee hub built-in to the new Echo Show 10 and Echo Plus, or through other ZigBee Certified hubs such as those from SmartThings and Wink.