... reflux protection, earthling protection, splash protection, multi-protection function;4.Micro-computer control, many functions(1) Multi-gear automatic ... ) LED display: gear, temperature, working state are clear;(4) Fault self-test5. Pleasing in appearance, structure, light weight, easy ... Voltage: 220V2. Rated Frequency: 50Hz3. Maximum rated power: 4.5kW4. Maximum in-water pressure: 0.6MPa5. Minimum in- ...