Advanced Leak Detection: Equipped with 2 front water-sensitive probes for monitoring drips and 4 rear probes for detecting leaks and floor moisture. Both sets work simultaneously to alert you promptly when any sensor contacts water. Compact & Wireless Design: These mini-sized, wireless water leak alarms can be placed in any potential leak spots such as homes, pools, or under appliances, requiring no complicated installation and offering peace of mind. Loud & Adjustable Alert: Featuring a loud 100 dB alarm to it is heard in basements or other distant rooms. Includes a mute mode to silence the alarm when you reach the affected area, providing convenience during cleanup. & Waterproof: Constructed from robust plastic, the detectors maintain sensitivity over time without rusting. The battery compartment is front-mounted to prevent water ingress, enhancing and . The actual product may have slight color difference or difference, which will not affect the use Battery: Powered by 2 AAA batteries(no included) Colour:White Material:plastic Package Contents: 1 x water leak alarm 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.