Product Description Specifications: Material: ABS Color: White Size: 8*3cm / 3.1*1.2in Power by: 1 X 9V Rectangular Battery Features: Automatic Water Leak Alarm: This auto water leak alarm device makes it convenient to detect the water leaks in time to protect your home from water damage and avoid hassle of home repairs. 3 Detector Probes for A Great Sensitivity: There are 3 small sensor probes on its bottom that sense the water leaks in a quick way to prevent further trouble or loss. 90dB Loud Buzzer Alarm: The device will emit a 90dB loud alarm to alert you when there is an occurring water leakage. Compact & Easy to Place: The water leak sensor device is compact that easy to place at the potential water leak location in your home like near the water pipe / valve / faucet / washing machine / refrigerator ice maker / dishwasher / drain. Battery-Operated & Easy to Use: It is powered by 1 X 9-volt rectangular battery and of little power consumption for a long-lasting use. Sturdy ABS Material: The water leak alarm device is made of quality ABS material for a great sturdiness and durability. How to Use: 1. Twist to open the device. 2. Install 1 X 9V rectangular battery. 3. Twist to close the device. 4. Place the device on where you want to detect water leaks. Notes: * Small parts. NOT for children under 3 years old. NOT for pets. * Due to effect of light, camera and monitors, the items real color may be slightly different. * Allow slight dimension difference due to manual measurement. * Thank you for your kindly understanding. Package Includes: 2/4PC Water Leak Alarm