Specifications: Input: DC 5V (USB port) Light strip length: 0.5 m, 1 m, 2 m, 3 m, 4 m, 5 m (optional) LED chip: 5050 SMD Light color: RGB LED quantity: 30 LEDs / meter LED strip width: 10mm PCB color: white Waterproof: Non-waterproof IP21 Output power: 4.8 W / 1 meter Working current / meter: 0.4A Luminous flux: 270-300 lumens / 1 eter Controller: bluetooth APP controller Remote control: IR 24Key Viewing angle: 120 ° Lifespan: About 50,000 hours Certification: CE & RoHS All devices with 5V (2A / 3A) USB can be used. Can also be used by your phone charger / adapter (5V 2 A / 3 A). Bluetooth APP controller: Support IOS system over 6.0, Android 4.3 over Adjust the lamp's brightness, color, temperature, music and alarm modes. The remote control is 8-10 meters from the room. Bluetooth 4.0 or higher Working temperature: -20 ° C-60 ° C Working voltage: DC5V-12V Output channels: 3CH / RGB, 4CH / RGBW External dimensions: 48 x 26 x 16MM