... LED Strip,LED Module or others 44keys Remote RGB LED Controller Technical Parameters Working temperature:-20-60degreeSupply voltage: DC5V, 12V, 18V ... that there is no barrier between the remote controller and receiver; The key-press functions are shown in the table as below ... effect each other. For example: if you press DIY key1 first, and then press DIY key2, DIY key1 will be invalid, until ...