The defrost timer is specially designed to used for refrigerators, showcases, freezers,ice makers and so on. Low noiseExcellent design for construction, anti-seismic and anti-poundImported raw material, wet-resistant & heat-resistingChemical treatment on the surface, anti-corrodedWidely used in large refrigerators, cold storages freezers and various refrigeratingequipments for and in various devices for time controlSpecification:Electric parameters: 220V 50/60Hz 3W 110V 50/60Hz 3WOperating Time: 6H/8H/10HDefrosting Time: 20/21/25/30 minutesWorking Life: more than 100,000 times defrosting producing area:China payment:T/T in advance, L/C at sight