1.Electronic design, easy to operate 2.Faucet without pressure 3.Environment Friendly & Energy Efficiency Design 4.Backup Thermostats : WAKO (Japanese Brand) 5.Hot Water Tank Insulation foam, UL approved Model No.:BD-3004NF Type:Hot Water With Faucet model:NF Tank Capacity:Hot: 4L Watt:Hot:750W Water connection:Tap Water Power:110V, 60Hz ; 220/240V , 50Hz Dimension:18x24x39cm Faucet Size:6x9x25cm (dia.22cm) Weight:4.5kg RO or Filtration System:filtration system hang-outside Safety Design: 1. Double Protection with 2 Thermostats 2. Panasonic ELCB safety equipment 3. Safety faucet body : Anti-scalded material