4m USB 16 Color Remote Control RGB Light Bar 1. Input voltage: USB 5V 2. x: 31LM at 0.5m, 32LM at 1m, 124LM at 2m, 708LM at 3m, 248LM at 4m, 310LM at 5m 3. Color temperature: 3000K/6500K 4. Number of LEDs: 30pcs for 0.5m, 60pcs for 1m, 120pcs for 2m, 180pcs for 3m, 240pcs for 4m, 300pcs for 5m 5. Color rendering index: 70+ 6. Material: flexible board (waterproof type epoxy + flexible board) 7. Note: the remote control does not contain batteries, you need to match CR2025 or CR2032 button batteries by yoursf 8. Length: 0.5/1/2/3/4/5 meters 9. Weight: about 39.8g for 0.5m bare board, about 42.4g for 1m bare board, about 57.2g for 2m bare board, about 60.8g for 3m bare board, about 65.9g for 4m bare board, and about 70 grams for 5m bare board, about 44.6 grams for 0.5m waterproof mods, about 62.34 grams for 1m waterproof mods, about 79.1 grams for 2m waterproof mods, about 99.6 grams for 3m waterproof mods, about 114.1 grams for 4m waterproof mods, and about 130.4 for 5m waterproof mods GramFeatures: 1. 16 color changing modes, which can lock a single color long light or automatic gradual change 2. Brightness is adjustable 3. Signal receiver connection, control multiple color modes 4. It can be cut arrarily, and the back is glued for quick sticking and easy installation 5. USB power supply, universal and convenient 6. High-brightness optical LED chip, low light decay, high temperature resistance, uniform light, durable