Specifications: APPSmart Life / Tuya Smart WiFi frequency2.4G WiFi (does not support 5G) Operating temperature-10~55 Dimension:69*23*19mm Cable length: 1m MaterialABS Battery:2*AAA battery(Not included) Standby time: 8 months Characteristics: 1.REAL-TIME MONITORING AND ALARM: The device connects via WiFi to monitor water levels and leaks in real time and sends an alert to your mobile phone as soon as an abnormality occurs to ensure you are able to take timely action to minimize possible damage. 2.EASY TO INSTALL: Graffiti WiFi Smart Flood Alarm is easy to install, no wiring required, just attach the device near the water source and use it, very convenient. 3.SENSITIVE AND FAST DETECTION: The device has highly sensitive sensors that can quickly detect changes in water levels and water leaks and send timely alerts to ensure you can respond quickly. 4.LONG STANDBY TIME: The device is designed with low power consumption, which can standby for a long time without frequent battery changes, allowing the continuous work of the device so that you can use it with more peace of mind. 5.INTELLIGENT MANAGEMENT: Through the mobile APP, you can remotely monitor the water level and water leak anytime and anywhere, and you can set the alarm threshold, timer and other intelligent functions to make your life smarter and more convenient. Scope of delivery: 1*Flood sensors