1. Solar panel: High efficiency monocrystal panel /Sunpower brand from USA 2. LED Lamp: Bridgelux led chip from USA, luminous efficiency up to 120lm/w. 3. Battery: High capacity LiFePO4 battery 4. Control way: Automatic Light control+Time control+PIR sensor (provide APP mobile function control) 5. Power watts: 6-120Wz