1. Zigbee Water Sensor, Quick Detection And Timely Reminder 2. There Are Always Unexpected Accidents In Life, Such As Forgetting To Turn Off The Faucet/Children Playing With Water At Home, Etc. 3. When The Sensor Probe Detects, That The Water Level Exceeds The Limit, It Will Immediately Sound An Alarm To Remind The Owner To Take Timely Measures. 4. Respond To The Alarm Quickly When It Touches Water, The Alarm Sounds At The Scene, And The Mobile Phone Will Also Emit An Alarm Sound. 5. Paste It On Your Kitchen, Living Room, Bathroom, No Adhesive Tape Wrapped Around The Wire To Fix It. Network Standard:Zigbee Operating Voltage:3v Battery Type:Cr2032 Standby Current:less than equal 5ua Standby Time:greater than equal 12months Operating Temperature:-10℃-55℃ Operating Humidity:0%-99%Rh Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:ABS Package Contents: 1 * Zigbee Water Immersion Sensor 1 * Chinese And English Instructions 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.