... meters water flow, no scale incrustation, long lifespan.4) Electricity leakage protector, safety thermal cut-out, over-pressure protector, double dry ... ×24cm×7.5cmOptional color: pearl white, shining silver ModelElectrical wireAmmeterLeakage circuit-breakerVoltagePressureOver-temperatureWaterproof gradeMagcardMechanismDC-PTCWH/330≥4mm2≥10/30A≥5/40A ...