Repeat programs with 7 ON/OFF locations. Channel 1 has maximum 4 programs, and Channel 2 has up to 3 programs. Product Description ... * Repeat programs with 7 ON/OFF locations. Channel 1 has maximum 4 programs, and Channel 2 has up to 3 programs. * Application ... , switchinng status & LED lights show the switching status for each channel. * NiMH rechargeable button cell back up battery for power reserve ...