Instructions: 100%Brand new and good quality. Mini portable, compact and elegant apperance. 5 seconds instantaneous heating, no need to wait. Rotary switch adjust temperature, simple operation. LED digital temp display. Separate electricity wall design. Dry burning prevention. Energy Efficient Heater - save on electricity costs, without radiation, pollution-free, no exhaust gas, environmental and durable. Easy to install Attention: 1.Make sure that cold water flow through it, to avoid dry heating before you plug into power in your first time use,this is just for first use. 2.The water temperature is opposite with water flow rate. Specifications: Cable length: about 55cm Rated power:3.5KW Rated voltage: 220V-240V/50Hz Temperature: 10-50°C (adjustable) Working pressure: 0.03-0.6(MPa) Item size: 29CMX9CMX7CM(L x W x H) Waterproof degree:IPx4 Color:Red /White (Choose you like) Package includes: 1 x Mini Instant Hot Electric Water HeaterTankless Electric Instant Hot Water Heater Bathroom Portable Shower System 240V