Application: TV LED backlight Bluetooth APP with camera(uLamp APP) Input voltage:USB 5 (V) LED lamp bead model: 5050 Chip model:WS2811 Single lamp bead lumens: 14() Beam angle: 120 (degrees) Color temperature: RGB-IC Waterproof grade:IP20 Non-waterproof Applicable size:B:3.8 meters suitable for 55-56 inches Features: TV screen synchronization intelligence (lights follow the TV screen display color automatically synchronize color) Battery: No Battery ( CR2025) Installation Step Instructions 1. Connect the light strip and camera 2. Turn on Bluetooth on your phone 3. Use your mobile phone to scan the QR code on the controller 4.Download APP 5. Open the APP and click "+" in the upper left corner to connect the device Voltage: AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: plastic Package Contents: 1 x Smart light strip 1 x Remote control Only the above package content, other products are not included. Note: Light reflection 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.