Input voltage and current DC5V less than equal 1A Wireless standard: Wi Fi 2.4GHz b/g/n Working environment: -20℃-50℃ less than equal 80% humidity Open/close time: 16 seconds Voice control: platforms such as for Alexa Echo and for Google Home Timing control: Three methods can be set through the APP: timing, delay, and loop timing. For example, close the valve at home at 7:30 am during working hours. At 17:30, the valve will automatically open when I go home. Power on status: The valve's power-off and recovery status can be set through the APP. Due to different product batches, the appearance may vary, which does not affect the use. Colour:As Shown Material:Plastic+Brass Package Contents: 1 * Wifi Smart 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.