To control this -enabled accessory, the latest version of for iOS or iPadOS is recommended ZigBee and Water Sensor Detect water leakage and push notification to your phone APP Remote Control Home is in the hands, whenever and wherever Realtime Water Leak Detection High Sensitivity & Accurate Detectio When overflow occurs, the sensitive metal probe is submerged and triggered, push notification to smartphone Battery:CR2-3V Standby current:1.1uA Waterproof level:IP55 Working Temp.:0℃-40℃ Working .:20%-85% Wireless frequency: 2.4GHz Wireless protocol:Zigbee 3.0, IEEE 802.15.4 Network range: 55M Product size: 69mmx69mmx34mm (The product appearance and printed words depending on the batch, but this does not affect use) Color:As Shown Material:ABS Package Contents: 1 * water level sensor(The border color is random, and the specification is not accepted) 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.