Powerful 130dB Alarm for Maximum Security,When water is detected, this sensor emits a piercing 130dB alarm with flashing red and blue lights, ensuring immediate awareness and response to potential leaks. User-Friendly Operation,Simple controls include single-click activation, double-click deactivation, and a 3-seconds for silence and a 8-seconds for reset. Wide Applicable,The sensor comes with 1m Long Cord, which can be used in scenarios according to your needs, such as basement, warehouse, bathroom, kitchen, water tank, engine room, water line, water tower, water cellar, pool, swimming pool, etc. Easy to Install,Set up is quick and hassle-free. Insert 2x AAA batteries (not included), align the cover, and use the provided double-sided tape to secure the sensor in place. APP Remote Control,No matter what city, country, or place you are in, your smartphone can receive a push of information and check the status. Wireless Type:2.4GWi-Fi / Zigbee3.0 Alarm volume:130DB Standby current:Less than 10uA Operating Temperature:-10 Celsius - 40 Celsius (14degF-104degF) Operating Humidity:20% - 85% Storage Temperature:-10 Celsius -60 Celsius (14degF-140degF) Storage Humidity:0% - 90% Standby time:6-12 months (The product appearance and printed words depending on the batch, but this does not affect use) Color: As shown Material: plastic Package Contents: 1 x Water Leak Sensor 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.