Synergy 21 LED Flex Strip COB Series High Performance For better stability and heat dissipation, there is a copper tape on the back. Voltage: 24V, Power: 15W/m, total 75W. Light color: neutral white, 4000K, CRI 90. Brightness: 100 Lm/W or 1500 Lm/m, total: 7500 Lm. Beam angle: 120°. Protection class: IP20. Number of LEDs: 480 LEDs/m, total: 2400 LEDs. LED type: COB. Cutting range: 50 mm. LED Strip dimensions: 5000 x 10 x 2.5 mm. Working temperature: -25 °C to +40 °C. Adhesive tape: yes, 3M on the back. Make sure the LED strip does not exceed a working temperature of 40°C, otherwise its lifespan cannot be guaranteed. No warranty is provided for overheated LED strips.