For indoor or outdoor use. Energy saving, illumination is comparable to a 200 watt halogen floodlights at a fraction of the electricity cost. It would cost you approximately $4 a month to if you ran it 12 hours a day. Water proof housing made ​​of aluminum, coated on both sides with protective lacquer No delay - Instant 100% luminosity Little heat during operation (95-113° F) product Features Operating Voltage: AC 85V-265V Power: 100 Watts Color temperature: Cool White (6000-6500K) Viewing angle: 120 ° Working temperature: -4° to +122° No plug Lumen: 9000-9500 Lifetime: 50,000 hours minimum Dimensions (HxWxD): 17.125"x11.25x4" Weight: 3.95KG Motion sensor with 120 degree detection angle, range max. 39 feet, response time of 9 seconds to 10 minutes adjustable dimmer switch from light to dark