1. a key switch control, turn the switch on when needed and turn it off when not needed;<br> 2. sensitive. When the detector detects the excess, it gives an alarm sound of up to 130 decibels with a quick response of 0.1 seconds to remind the owner to take action;<br> 3. equipped with 1 meter ultra-long detection line, easy to detect;<br> 4. energy saving, low power consumption, standby to 2 years.<br> Product name: water leak detector water level alarm<br> Power mode: 6f22 battery (excluding this product)<br> Product use: kitchen, bathroom, heating, warehouse, store, workshop and other places.<br> colour: white<br> Material: ABS<br> size: 98x46x22mm<br> Package Contents:<br> 1 * Alarm<br> Only the above package content, other products are not included.<br> Note: Light 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.