Various ratings from 8W to 20W. Standalone Photo Voltaic Operation or Universal AC 90V ac to 300V ac operation. 90V ac to 300V ac operation. Auto Dusk-Dawn operation . PWM Battery Charging for Solar PV operation. High efficiency LED of 100 Lumens/Watt. IP65 safety. Long Life of over 50,000 Hours. For Gardens, Parks etc.