Fusion Solar LED Shepherds Hook Hanging Lantern Lights (Black, 2 Pack) Internal sensor automatically turns the 6 Lumens LED light off and on based on surrounding light Monocrystal solar panel absorbs sunlight during the day for up to 8 hours of light at night Durable metal and glass construction features a UV protective coating Each light includes a ground stake and Ni-Mh rechargeable batteries. No external wiring required Measures 8" x 5.5" x 36.25"