WIRELESS INSTALLATION AND EASY INSTALLATIONSolar deck lights are very easy to install, no messy cables needed, can be used with 2 screws (included) or double-sided adhesive tape (included) which is easily mounted either vertically or flat on flat surface. SOLAR POWEREDThese solar deck lights are completely solar powered, there is no electricity cost and no electrical wiring required. It uses high-quality polysilicon solar panels that convert solar energy into electricity through sunlight. It only takes about 5-6 hours to fully charge, can light up your house for more than 9 hours of working time during dark night. WATERPROOF IP65Solar deck lights are waterproof IP65 and made of high-quality ABS. Solar deck lights work very brightly. Even in rainy and snowy days, it can also light up your deck, steps, railing, fence, wall, patio, garden, front door, stairs, landscape, yard and driveway etc. AUTOMATIC WORKING MODESolar deck lights are built with automatic light sensor function, the solar deck light will automatically turn on at night and turn off during the day. Perfect for illuminating decks, paths, steps, fences, gardens, lawns etc. WIDE APPLICATIONThis 16 pack solar deck lights are widely used on decks, steps, railing, fence, wall, patio, garden, front door, stairs, landscape, yard and driveway etc. and it can be used for lighting and decoration