[High Bright & Eye-friendly]: The brightness of deck lights has been professionally adjusted, not only can light up your deck, stairs, play a good lighting and decorative role, but also eye-friendly, the light is soft and not dazzling . Bright warm LED deck lighting creates an impressive starry sky effect that will make your home feel sweet and comfortable. (If you want to adjust the brightness of the deck light, you can search and order in our store: LED dimmer or B09VCBBL9C) [Energy Saving & Long Lifespan]: deck light adopts high quality LED chip, bright and energy saving, no flicker, DC12V low voltage output (equipped with DC 12V transformer). Deck Lights LED Life expectancy of more than 60000 hours. No need to worry about changing lights after a while, save on replacement lihgts costs. [IP67 Waterproof & Safe]: deck lights and cables are IP67 waterproof and safe for indoor and outdoor use. The deck lights are made of high quality acrylic/ABS and 304 stainless steel, the light body and power supply are both glue filled, fully insulated, and the lights are connected by male and female waterproof connectors. Safe and durable. [Easy to Install & Detachable]: 1st step: drill holes, 2nd step: push in led deck light, 3rd step: connect cables. It's simple, you just need to pay attention to the size and spacing of the holes. 16 LED lights can be connected together and you can install only some of them if you want. (If one or both of the deck lights fail, the other LED deck lights will still work fine. If you want to extend the distance between lights, you can search and order in our store: extension cords or B09WDGRMYG)