Features: Very smooth; balance light, no light spot, no dark area. Super bright and soft lighting. Much more flexible and flexible than any other SMD led strip. Cuttable and jointable, can make any length you want. RA>90, very friendly to the eyes. Specifications: Type: 3mm 5mm 8mm COB Led Strip Lights Operating voltage: DC 5V to 12V to 24V Color: Cold White (6000-6500K), Warm White (3000-3500K), Natural White (4000-4500K) LED Chip: COB Length: 0.5m, 1m, 2m, 3m, 4m, 5m Number of LEDs: 320LEDs/m COB Width: 3mm to 5mm to 8mm Power: 5V= 5-6W/m 12V= 7-8W/m 24V= 8-10W/m Cuttable: 5V/12V 3mm: Can be cut all 25mm 5V 5mm:: Can be cut all 25mm 12V 5mm:: Can be cut all 50 mm 5V 8mm: Can be cut all 50 mm 12V 8mm: Can be cut all 25 mm 24V 8mm: Can be cut all 50mm Viewing angle: 180° Connection: 2-pin cable with USB-powered DC connection USB Plug Cable Length 15cm Waterproof Degree: IP20 Not waterproof Colour Rendering Index: RA>90 Operating Temperature: -20℃-+45℃ Storage Temperature: -20℃-+60℃ Application: Interior decoration lights, car lighting... NOTE: DC 12V/ DC 24V COB LED Strips cannot be directly connected to AC 110V or 220V! Must add DC 12V/ DC 24V power supply. This item DO NOT include power supply, please contact us if you need. USB 5V COB LED strip with USB connector. Connect to the USB interface and use it directly. Please calculate whether the power of your power supply matches the power of the COB LED strip. If the power supply is too low, the brightness of the COB LED strip will be affected. If you still have any problems with installation, defective items, replacement or refund, please contact our customer service email for a quick solution, we will solve it within 24 hours. Please rest assured that we will always have your back when you need help. Package: 1 x 5V/12V/24V COB LED Strip Lights (Power Supply Not Included)