Solar powered, motion activated, energy savings. Simple install, no wiring. Rechargeable and replaceable lithium-ion polymer batteries (included). 500 lumens, 5.5 watts, 5000K, CRI 70, 40,000 hours average life. Beam width 120 degrees. Operating temperature -4 to +122 degrees F. Maximum detection range 20 feet. Detection angle 140 degrees. Lighting time adjustment 45 sec (fixed).