Sound and light alarmIf water leaks in some places like kitchen, bathroom, the water sensor can detect water and immediately trigger a real-time sound and light alarm to notify you. 2.4G Wi-FiThe flood detector only supports this wireless type: 2.4GHz Wi-Fi. For 5GHz router users, be sure to choose the 2.4GHz node. 5G router usually has 2.4G and 5G nodes. Widely usedUsed to monitor water leaks, e.g. sink leak, central air conditioner leak, washing machine pipe leak, water heater leak and hot water recirculation pump leak and other areas prone to water. Easy to use: The flood detector does not require a hub or subscription service. Designed to connect to your Wi-Fi network, simply download the Smart Life or Tuya Smart app from App Store or Google Play. This app can support multiple smart home products with different protocols. From the app, you receive instant notification of any water leaks. Professional design: The flood detector is compact and can easily be installed at the location of your choice. The detector is delivered with a 2 m flexible cable. The sensor extends to the floor from the mounting site. Other cables can be added to cover a wider area up to 150m. Alarm sound power: 60 dba specification Power supply 3.7V rechargeable lithium battery 500mAH Charging 5V DC /125mA < p>Alarm current &lt;130mA Standby current &lt;2uA APP push alarm notification, on-site BIBI sound, intelligent linkage > Audible alarm sound