Pack of 10 Low Voltage LED Deck Light Kit &Phi;1.38" Waterproof Outdoor Step Stairs Garden Yard Patio Landscape Decor Lights Warm White Lamp Item Dimension: 35(1.38inch) x H25mm(0.98inch). Cut out:24MM. Unique and fashion appearance with Half-moon shape. If you want the WIFI version of these lights, you could search ASIN "B016ZSQEGY" to buy them. Add instant cozy feeling to indoor/outdoor in a very economical way. LED deck lights are IP65 waterproof, safe for indoor and outdoor use. Drawing only 0.4 watts of power, long lifespan over 50000 hours. With easy and convenient installation. Work with 12 volts (low voltage) DC power supply, Energy saving and environment friendly. Hardware & plastic integrated design. What's in the box: 10 x LED Stair Lights, 1 x 8W LED Power