Bluetooth control distance Effective control radius 10-20 metersLED controller power supply + controller integration， RF bluetooth magic color controller (with RF remote control)Function description 11，600 color changes 2. Horse racing function 3. Voice control magic color function， etc.To help you create the same atmosphere， but consume less energy and last longer， provide you with LED string lights that Decorate your world at night and create the cozy and wonderful atmosphere you really need. It can be used for your party， backyard， garden， restaurant， bar， patio， etc. As long as you have it， it will definitely bring you surprises and satisfactionInput voltage Input: AC100-240V 50-60Hz Output: DC5VRated power: 0.5W/BulbWaterproof: grade IP67Product Category: Outdoor Mobile Decorative Lighting Products Indoor Auxiliary LightingProduct Name: RF Bluetooth RGBPRO Underground LightNumber of lights: 16BulbsThe total length of the controller is 14.1 meters (the input line is 3 meters long， and the distance between the lamps and the lamps is 0.65 meters)Ground plug 5cm high conical ground plugWire diameter Wire diameter 3.5mm，(2-core 0.15mm*8 on the power line end， 3-core 0.12mm*7 on the controller side， 4-core 0.12mm*7 on the light string end)Lamp body material PC+PECWorking temperature /-20Celsius-40CelsiusColour:blackLamp body material: PC+PECCore material: pure copperPackage Contents:1 set of outdoor waterproof string lightsOnly the above package content， other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.