Safe and Durable Material: This delicate smart valve is made of high-end Metal and Engineering Plastic( ABS), providing you and your family a safe and secure water supply. Remote Control: Through Tuya and Smart Life APP, you can remotely control the water valve, with timing and countdown function. Smart Accurate Flow Control: We have set a flow control of every tenth adjustment like 0/10%/.../90%/100%, with error of 5%. Automatic Cut-off Function: The water valve will automatically close when the power is cut off. Valve Size:DN15/DN20/DN25 DN15=1/2 Inch/DN20=3/4 Inch/ DN25= 1 Inch Waterproof: IP67 Srew Thread:NPT Max Pressure:1.0Mpa Input Voltage: DC 5V Support Ambient Temperature:-30Celsius - 60Celsius APP Name:Tuya, Smart Life Colour:As shown Material:Plastic + Metal<br><br>Package Contents: 1 x Tuya Smart ZigBee Electric Motorized Ball Water Valve(DN15) / 1 x Tuya Smart ZigBee Electric Motorized Ball Water Valve(DN20) / 1 x Tuya Smart ZigBee Electric Motorized Ball Water Valve(DN25) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.