Constant temperature water heater with fast heating and high power thermal core for continuous hot water supply. 3500W heating power with 88% hot water output rate. Built-in stainless steel heating element ensures efficient and rapid water heating. Real-time temperature display allows users to monitor water temperature during use. Water and electricity separation design enhances safety with internal insulation protection to prevent leakage. Vertical style unit with mechanical control mode. Unit color is silver white, made of ABS material. Equipped with single handle, single hole faucet design. Includes EU plug suitable for countries including Indonesia, Germany, France, Spain, and Italy. Operates at AC220V voltage. Heating power range: 2.1kW (included) to 5kW (excluded). Energy efficiency class III. Net weight: 1.4 kg. Product dimensions: 21 x 11 x 27 cm. Maximum capacity: 300mL. Installation requires proper grounding; mobile sockets are not permitted. Package includes: 1 x water heater, 1 x shower set, 1 x English instruction manual. Items not mentioned in the package content are not included. Note: Due to lighting effects and monitor settings, actual product color may vary slightly from images. Measurement tolerance: +/- 1-3 cm.