... protection 5.98% high efficienc Dual Mode water heater details: (10stalls +constant temp function)A ) ... the software set-temperature protection; 4, machinery, electric control over-temp protection; 5, mechanical manual reset ... 10stalls for stall setting 13, unique, patented plate heater, the water real isolation.C) Safety protection: ... 3,200pcs Photo Shows: Europe stylish electric water heater shower