Synergy 21 LED Flex Strip COB Series Low Power For better stability and heat dissipation, there is a copper tape on the back. Voltage: 24V, Power: 5W/m, total 25W. Light color: neutral white, 4000K, CRI 90. Brightness: 100Lm/W, total: 2500LM. Beam angle: 120°. Protection class: IP20. Number of LEDs: 480 LEDs/m, total: 2400 LEDs. LED type: COB. Cutting size: 50mm. LED Strip size: 5000 8 2.5mm. Working temperature: -25°C to +40°C. Adhesive tape: yes, 3M on the back. Please ensure that the LED Strip does not exceed the working temperature of 40°C, otherwise the lifespan cannot be guaranteed. Warranty cannot be provided on overheated LED Strips.