Feature:1. Built in polycrystalline silicon solar panel, support solar charging, energy saving and environmental, high conversion rate.2. Good rainproof performance, can be installed outdoors, and can adapt to various bad weather.3. With 6 LED lights, with large font design, clear numbers, to sure that it can still be seen from a distance.4. With a unique concealed anti-disassembly design, it is quick and easy to install and has a long service life.5. Can be widely used in shop gates, corridor gates, room doors, wall, villa gates, etc.Specification:Item Type: Number Sign LightLamp Body Material: ABS and PC Environmentally Friendly MaterialProduct Model: N766Solar Panel: Polysilicon 2V x 130mALED Parameters: 6PCS x 12-18LMBattery Capacity: Ni-MH AA 1.2V or 1000mAhCharging Method: Solar ChargingCharging Time:andgt 6H (Different Light Strength Will Affect Charging Efficiency)Duration of Lighting: 6-8 HoursProof Rating: IP55Working Mode: Manual Control and Light ControlProduct Size: Approx. 18x10x4cm or 7.1x3.9x1.6in.Package List:1 x Door Number Sign Light2 x Set Fixing Screws1 x Instruction ManualNote:1. Keep away from fire, otherwise the battery will explode due to high temperature.2. Avoid using in high temperature over and50 , low temperature and humidity and corrosive environment below -10 .3. Charging at least once every 3 months, otherwise it will affect the battery life.4. Make sure that the solar panel can be directly exposed to sunlight during use. The longer the solar panel is exposed to direct sunlight, the higher the charging efficiency, and the lower the charging efficiency.5. Due to the oblique anti-disassembly design of the product, the installation sequence is required. When the combination of more than 2 door number lights is installed, the number on the right must be installed before the left.