These Lighting Essentials solar fence lights feature two super-bright white LED lights and a poly crystal solar panel. Lights can be mounted on a fence, wall or wherever light is needed. Application: Lights can be mounted on a fence, wall or wherever light is needed, Light Type: Solar / LED, Power Source: 1 Ni-Cd 600mA Battery, Includes (qty.): 4 Batteries, Battery Required: Yes Lights are 4.67in. x 2.31in.