... effects of change.Technical parameters 1. Working temperature: -20-60 C 2. Supply voltage: DC5V, 12V, 18V, 24V (for orders specify ... occur between connecting wire before you turn on the power:2, Adopt RF control,there are four keys altogether, and every ... code corresponding to the channel for the green(G), address+2 code corresponding to the channel for the blue (B), For ...