1,UL, FCC, TUV, CE, SGS, ROHS certified 2,220V, 240V,120V, 110V selectable 3,PCBA assembly Heat pump water heater control board PCB assembly ... .Production Capacity: 500,000 pcs per month6.Delivery time: 7—20 days7. Packaging Details: Reliable materials, standard export package. 40PCS per ... * 45cm*12cm 8 Cartons per Pellet, 100cm*110cm Heat pump water heater control board PCB assembly