Uses solar power to charge the battery during the daytime and turns on automatically at night. The number of hours the Dock Light illuminates depends on your geographical location, weather conditions and season. Mount lights 6 feet apart. SS wood screws included. 

2 pack

Material: Polycarbonate housing
LED Color: Cool White
Solar Battery: 2 VDC / 0.4W
Charge Battery: NI-MH AAA 650mAH, 1.2 VDC
Beam Angle: 30°
Operating Temperature: -4° F ~ 122° F
Protection: IP67
Dimensions: 4” x 4”