3 seconds that is , really thermostat with Automatic power-off when leakage Instant heating, you can use water as you like. Mini body, energy saving, and high efficiency LCD digital temperature display. Stainless construction, durable, elegant and fashionable. Easy to install under the bathroom or kitchen sink for washing dishes, food, clothes, and other functions. Safe heater, electricity saving, water saving, no pollution, no exhaust gas. Various protections: Leakage protection, IPX4 waterproof, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off. Application: Water Heater Rated frequency: 50 HZ Rated power: 3500 W water temperature:30-55 Anti electric shock type:I Waterproof : IP4 Rated pressure: 0 PA Service pressure: 0.04-0.4mpa Plug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC110V Colour:White Material:plastic Package Contents: 1 x Instant Water Heater 1 Set x Shower Accessories Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.