1.Light Source: LED Epistar 3014 SMD 2.Solar panel :2.2W 17% efficiency ,5v,440mA 3.LED : Power3.5W, 53pcs ,350Lumens , Pure white , warm color (Color can be custom-made) 4.Material : Aluminum+ABS+PC 5.Optical sensor: Identify day/night automatically 6.Battery :LI-ION rechargeable battery 1pc , 2200 mah 7.Charge time:more than 8 hours (1000W/m2 illumination standard) 8.Work time :With a full charging, can use 3-5days 9.The distance and range of the light sense :Around 3-5m, 120 degree