Shenzhen Wisva Optoelectronics Co.,Ltd www.wisvaled.com No Resistor, 10M to 20M continuous length Strip Wisva new 20m-running led strips,using constant Current IC to keep the current stable and constant from beginning to the end. Less LED brightness decay for the whole 20M. Features No Resistors design, High efficiency max up to 135Lm/W. High  brightness 2835 with LM-80 test,High CRI 95+. 24VDC input , low voltage drop for continuous 20M use. 50M /roll for storage and cutting the length without any waste. Min 2.5-3 step Macadam,same color for different batches.  Item NO.  B60210-C  SMD  2835 with LM80  Voltage  24VDC  PCB Width  10mm  Watts/M  5W  Brightness  650Lm Components  Constant Current IC  Max running  20 meters For more details, contact us freely.