Features: 1)Top or back flue installation, motor balanced slim design; 2)Digital automatic water temperature device can freely set within the range from30 to 70癈3)Hot water indicator, security lock for over the water temperature at 50癈;4)Multi-controlled burner, water temperature can suitable for all four seasons; 5)Low water pressure operation, Multi-points hot water supply at steady temperature;6)Digital display, Multi-function symbol indicator, warning device; 7)Multi-protection safety device, self-burner device, flame failure device, breaking-automatic device, excessive pressure device, self detection device.8)10L,12L are available. producing area:China payment:T/T, L/C supplying capacity:30,000pcs/month