Descriptions: 1.The LED deck lights are IP67 waterproof and built to the highest specification and can waterproof, effectively ideal for outdoor，and can be left outdoor all the year. 2.Each deck light is made of stainless steel & PC for durable and long-lasting applications, extremely long lifespan over 50000hrs. 3.Light up your garden with these fantastic lights, they will light up your decking beautifully. Ideal for marking driveways, decking, borders and patios etc. 4.Work with 12 volts (low voltage) DC power supply,long lifespan，energy saving and stable performance. 5. Weatherproof, waterproof, and rustproof, these LED deck lights are the ideal maintenance-free solution for adding ambiance to your barbecues, picnics, and other outdoor parties. How to use the wifi Controller.