Smart Solar 3141WRM4 4-Pack Solar Wall Light With Integrated Solar Panels To Ensure There Are No Wires To Fuss With And To Power Two Energy Saving Bright White LEDs In Each Unit Discreet functional lighting perfect for walk ways, paths and outdoor stairs Replaceable rechargeable Ni-MH batteries Lights charge by day and at night illuminate automatically to brighten outdoor areas Integrated solar panels ensure there are no wires to fuss with and powers a two energy saving bright white LEDs in each unit Easy to mount using pre-formed holes for screws on back of lights