1. Small size, great effect, easy installation 2. The standard international 4-pipe water outlet is made of refined brass material, which can be directly connected to household conventional water pipe connectors, faucet metal hoses, shower hoses 3. The touch button has a longer service life, electronic control, good sealing, not afraid of humid and watery environments, and avoids mechanical failures such as water ingress, oxidation and corrosion, which cause the buttons to be unable to adjust 4. The water inlet and outlet is made of brass, which is strong and corrosion-resistant, and is not easy to be damaged in various environments; it has high stability, high temperature resistance, and no rust. Does not pollute domestic water 5. Instant heat time: Continuous warm 6. Working water pressure: 0.04 Pa low pressure start 7. Water inlet method: Bottom water inlet 8. Protection against electric shock: Class 1 9. Interface: International 4-point caliber 10. Note: For vertical installation only. Horizontal installation is not allowed to avoid dry heating 11. Rated frequency: 50 Hz 12. Waterproof grade: IPX4 13. Suitable for installation scenarios: Toilets, kitchens, public places 14. Heating power: 3000W, 3500W 15. Rated voltage: 110V, 220V 16. Installation requirements: Properly ground the wire and prohibit the use of mobile sockets 17. Plug: 10A 18. Net weight: About 1 kg 19. Size: 20 x 12 cm