Feature: 1. Excellent Function: Tankless water heater, mini design, stainless steel design, sturdy, elegant and stylish. Safe heating, energy saving, water saving, no pollution, no exhaust gas. 2. Absolutely Safe: This electric water heater uses a metal lining to separate water and electricity, and automatically detects leaks to keep you safe. Built in real time chip control, with anti leakage protection, strut and power off protection functions. 3. Easy and Quick Installation: The water heater does not require ventilation, and the space saving design allows "hidden" installation under the smallest cabinets. 4. Applicable Scenes: Instant electric water heater meets your various needs, suitable for kitchen, bathroom, public toilet, etc. The heater does not need to be preheated, and uses water and electricity to separate heating. 5. Water Inlet Method: Cold water enters from the bottom after being heated by the water heater and then exits from the top. 24 hours instant heating. Specification: Item Type: Instant Electric Water Heater Product Material: ABS Color: As Pictures Shown Weight: Approx. 955g / 33.7oz Inlet and Outlet Diameter: G1/2 Rated Voltage: 220V Rated Frequency: 50Hz Rated Power: 3400W Rated Pressure: 0 MPa Proof Grade: IPX4 Applicable Water Pressure Range: 0.05-0.6Mpa Power Connection: Positive, Negative, Ground Power Cord Size: 1.5mm² Water Inlet Method: Cold water enters from the bottom after being heated by the water heater and then exits from the top. Package List: 1 x Water Heater1 x Accessory Package (2 x Expanding Rubber Particles, 2 x Screws)1 x Tee1 x Filter Accessory1 x English Manual Note: 1. The product must be installed vertically and connected to a dependable ground wire.2. The inlet and outlet pipes must be tightened to ensure no leakage.3. After installation, connect the water first; then power on.4. If the ambient temperature is lower than 0℃; do not turn on the power and close the water inlet valve.Possible reasons for not heating: 1. The water flow is too large (may display LL code), this time you need to adjust the water flow valve smaller; 2. The water inlet is blocked, the water flow is small, the water flow sensor can not detect the water flow did not start heating, this time you need to unscrew the water inlet pipe, clean up the filter on the impurities.