Feature: 1. Polysilicon Solar Panel: The light uses polycrystalline silicon solar panel. There is no electricity charge throughout the year and use clean energy. The panel need not direct ultraviolet radiation, and can generate electricity in rainy days and the daytime. 2. 2 Control Modes: The lighting can be controlled by 2 modes, which can be controlled by remote control or light perception, which is very intelligent. 3. Adjustable: The brightness of the solar ceiling light can be adjusted to 50 percent or 100 percent brightness as required. The lighting time can be set to 3, 5 or 8 hours. 4. Long Endurance: The remote control solar ceiling lamp has long endurance. The light is equipped with a 2000mAh battery, which can last more than 12 hours. 5. Sealed Design: This light control solar ceiling lamp adopts sealed design, which has anti dust and anti mosquito functions, giving you a better sense of use. Specification: Item Type: Solar ceiling light Material: ABS, aluminium alloy Weight: Approx. 480g/16.9oz Solar Panel: 6V 2W (Polysilicon solar panel) LED Power: 45W Light Battery: 18650 lithium battery 2000mAh(Built in) Remote Control Battery: 2 AA batteries(Excluded) Lamp Bead Type: 2835 series high brightness LED lamp beads Number of Lamp Beads: 50 Lighting Duration: 12 hours Charging Time: 4-6 hours under the sun(10-12 hours for full charging in rainy days or when the battery cannot be charged under the sun) Service Life: 5-8 years Irradiation Area: 25㎡ Ceiling Light Diameter: 14cm/5.5in Solar Panel Size: 13x15cm/5.1x5.9in(Length of connecting wire is 5m/196.9in). Package List: 1 x Light Head1 x Solar Panel1 x Solar Panel Support1 x Remote Control4 x Screw2 x Expansion Pipe2 x Nut