LED lamp 16W, 16pcs super bright LEDs, 1672 LM Height3.5m Solar panel40 W, poly/mono-crystalline silicon,20 years life,conversion efficiency: 17% .Conversion efficiency: 17 % . Controller12V/5A . solar digital programmable intelligent controller, switch on/off by light & time.Battery12/65AH , maintenance-free lead-acid battery, over charge and over discharge protectionWorking time10 hours/day, 3 overcast and rainy days TYPE: JMPT003