Smart electric ball valve is widely used in the Internet of Things and smart home systems. It can be powered by DC5V , DC motor chip drive. Equipped with a multifunctional button, the device can be turned on and off when lightly touched, makingit convenient for on-site operation. Press and hold the "button" for more than 5 seconds to configure or clear the original network information, and restore factory settings. Input voltage and current DC5V 1A wireless standards:ZIGBEE 3.0 Opening / Closing Time: 18 Seconds Alarm linkage function More functional examples can be bundled with third- products, such as 's water immersion sensor. The valve automatically closes after an alarm, and can also be linked to the smart home platform for multi-scene control, such as automatic "home mode", Open the valve and automatically close the valve in "away mode" to reduce the occurrence of water and gas leakage accidents. Voice control: "Alexa ", " Home" and other platforms, more compatible platforms are under further development. Timing control: Through the APP, you can set three methods: timing, delay, and cycle timing. Power-on status: The status of the valve when power is cut off and restored can be set through the APP. More functions: In addition to wireless control, it can also be combined with more products, such as Water meter, heat meter, etc. Colour:White Material:Plastic + Metal model:DN20 NOTE: This is an zigbee smart product, it must work under the ZIGBEE gateway, and its functions are most complete when working with the zigbee gateway. Please make sure your gateway is correct before purchasing. Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Smart Valve Controller 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.