... safe temprature control; 2.Dicaryon interaction,Porcelain Heati Instant Storage Water Heater,electric water heater,portable electric water heater Product Features:1)built-in aluminimum alloy quick ... (V)220V220VFrequency(Hz)50HZ/60HZ50HZ/60HZPower (W)3000W4500WWater Resistance IPX4IPX4Applicable Water Pressure 0.02~0.6MPa0.02~0.6MPaEfficiency Rating 98 ...