programmable timerdigital timer/mechanical time switch Good quality and the best ... ballasts, etc.)11)Used for In-house appliance controlling,Time-controlled switching off ,for example: TV,lighting, ... pumps for aquariums,ventilators,dosing and CO2 systems,manual switchover of operation modes Aautomatic, Permanent ON.Material ... .5CONTAINER LOADABILITY Units/20' FCL :17,328PCS Units/40' FCL :35,520PCS