Safety and Intelligence: JHiveGym tankless water heater adopts a safe, beautiful, durable, intelligent, ultra-thin and smooth appearance design, which is beautiful and elegant, with simple and direct LCD digital display, intelligent self-inspection, and automatic inspection of working status and performance to ensure safetyEnergy Saving: Electric water heater adopts frequency conversion design, which automatically adjusts the power input according to the flow and temperature settings. When the water flow is reduced, the system will consume the least electricity, effectively reducing energy waste, which can help you save a lot of heating costsSafe and Reliable: The instant hot water heater has a memory function or an automatic alarm function when the power supply position and failure occur. IPX4 waterproof, leakage protection, dry-burning protection, automatic power-off in over-temperature and inactive states.Leakage protection,when leakage ,the protection device will cut off the power supply immediatelyConvenience: Multiple gear options, digital display gear and water temperature, easy to adjust, meet seasonal needs, no need to store water, no need to heat or keep warm in advance, hot water can be used as soon as it is turned on, no need to wait,Tankless water heater can keep water out of the water within 24 hours, Energy saving and environmental protectionSpace Saving: This water heater has a compact appearance, it can be easily installed under the sink, it is very suitable for every corner of your home, no need to occupy an area, enjoy hot water at any time. Make sure it's the right size for you: 3KW at 110V, product measures 9" x 2.5" x 5" Product Description Colour Black White Black Gold White Wattage 4500W 4500W 3000W 3000W 3000W Water Connections 1/2'' NPT 1/2'' NPT 1/2'' NPT 1/2'' NPT 1/2'' NPT Max Amperage 45A 45A 32A 32A 32A Plug No No Yes Yes Yes Min Breaker Size 50 AMP 50 AMP 40 AMP 40 AMP 40 AMP Dimensions (LxWxH) 7.51'' x 11'' x 2.5'' 7.51'' x 11'' x 2.5'' 8.3'' x 5.9'' x 2.2'' 8.3'' x 5.9'' x 2.2'' 8.3'' x 5.9'' x 2.2''