PIR sensor, Photocel Lifud driver non-flicker, protect your eyesl Beam Angle: Type III LEDs: SMD2835 Efficacy: >130LM/W AC120V-277V 0-10V dimmable Temperature: -40°F-122°F(-40°C to 50°C) PF>0.92, CRI >80,UGR<28 IP 66