Safe and 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 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. After-sales service: Please contact if you have any questions., Manufacturer: DMETE