1、Waterproof Alarm: It can be placed where waterproofing is required, such as basements, kitchens, laundry rooms, bathrooms and aquariums. 2、Stable Performance: This water leakage sensor is very sensitive and can detect water leakage in time. The wireless intelligent water immersion sensor has stable performance. 3、Quick Alarm: When the detector probe detects water, it immediately sends out an 85dB sound alarm, which is enough to remind everyone in the home, and at the same time sends an instant push notification on your mobile phone to remind you to pay attention. 4、App Real Time Alarm Remote: Just connect the water leakage sensor on the mobile for Tuya APP. You will immediately receive push notifications about leaks. You can check the status of your house on the App wherever you are to preserve your home and property from water damage. 5、Low Power Consumption: Low power consumption design, no need to replace the battery frequently. When the battery is low, the App will automatically push a message to remind you to replace the battery in time, so you never have to worry about running out of battery. 1 x Sensor2 x Screw 2 x Expansion Tube 1 x Instruction Manual1 x Needle Pin Item Type: Household Flood Detector Material: PCGross Weight: 90g / 3.2ozMonitoring Range: 3㎡ Product Size: Approx. 6.5 x 6.5 x 4cm / 2.6 x 2.6 x 1.6in Working Temperature: -10~+50℃ Working Humidity: 10%~95%RH Battery: 2 AAA batteries 800mah (included)