Automatic operation and high sensitivity: You just need to place the water leak detector where you want to check leaks, it will automatically help you detect leaks, and once the water leak detector touches water, it will notify you immediately. High quality material: Made of high quality ABS plastic, this water leak detector is sturdy and environmentally friendly. Low consumption. Loud sound alarm: The water leak detector can emit a 120dB alarm siren once water is detected, quickly helps warn homeowners that water leaks in time. Reusable water leak alarm: Powered by 9V battery (not included), a water leak detector can be used for a long time depending on the lifespan of battery. The battery can be changed when the alarm sound is slow, never worry about the water alarm sensor not working or not Application area: a water leak detector Water can sometimes save you time. Can be used in many places: leaking sink drain, leaking central air conditioning, washing machine pipe, leaking hot water heater, hot water recirculation pump and other water-prone areas. Features: Name: Water leak detector. Alarm decibels: 120 dB. Power supply: 9 V DC battery (not included). Sensor cable length: 1 m. Detector angle: 360 degrees. Package contents: 2 water leak detectors (batteries not included). Note: 1. Water the sensor after the alarm, otherwise it will trigger a continuous alarm. 2. The water leak detector is not waterproof, so please keep it away from water. Quantity: 2 pieces Note: Other items are not included, the color is based on the first picture, and other pictures only show the effect Due to differences between Different monitors, the picture may not reflect the actual color of the item. Due to manual measurement. Please allow deviation. Thank you!