Xcellent Global Solar Powered LED Wall Light Outdoor Waterproof Energy Saving with Rechargeable and Replaceable Battery (Include) , Black M-LD031 No wiring necessary, it is solar powered, energy-saving and eco-friendly light, Durable & Waterproof, LEDs can last up to 100,000 hours When it is dark, the light sensor works and automatically turns on the LED lights. Automatic Light Sensor activates with AUTO/OFF Switch Lights can work up to 8 hours with 6-9 hours fully charged It is widely used for illumination in outdoor, courtyard, balcony, wall, street, garden, plaza, etc. Each units included: 2x Installation Tools, 2x Screws, 1 x Solar Light, 1 x AA Ni-MH batteries, 1 x Instruction Manual