Quality construction & design for permanent wall-mount use 4 separate timers, 2 schedules per day each Random security feature Essential Info This Leviton timer is an elegant wall-mounted slimline unit that provides basic automation capabilities to even the most non-technical households. It sends X10 automation signals over the AC wires to remote X10 receivers (sold separately) that in turn control the power on and off status to lights and appliances. The four timers are simple enough for a child to program.