Features: 1. Programmable smart bulb: Each LED bulb on the unique Christmas light string is a fully programmable smart bulb. 2. 2. Design: You can choose pre-made lighting designs and animations from the app, and even write your own designs to match the colors of your favorite sports team, unique animations and more. 3. 3. App control: All lights can be controlled remotely through apps available on the for iOS App Store. 4. 4. Quick setup: Due to Bluetooth pairing, setup is very simple and only takes a little time. WiFi connection. You can use the local home/office WiFi to set up the lighting, so you don't have to establish a connection every time you use the lighting. 5. 5. Weatherproof: The product has IP65 protection grade, which is very suitable for indoor and outdoor use. specification:Name: LED string lights for Christmas tree Protection level: IP65 Luminous flux: 6 lm Color temperature: 3000 K Input voltage: 5 V Size: 5M 50LED/10M 100LED/20M 200LED optional More than 16 million colors; 29 different dynamic modes; Sync to music; Timer function; Brightness/speed control from 1%-100%; Custom create your great led moon lighting. PackageList:1 set of LED string lights Note1. Due to the different display and light effects, the actual color may be slightly different from the image. Due to manual measurement, please allow a deviation of 1-3 cm.