Lyla Through Wall Microphone Built in Battery Water Leakage Hearing Detector Security Camera  (8 Channel)

Description:High Sensitivity: High sensitivity detection of sound from walls, windows, doors or armor panels, with headphones included for clear sound quality.Wide Application: Used for pipeline side leakage, floor heating detection, water body exploration. Suitable for many kinds of pipelines and ground. Powerful function: Equipped with charging hole, earphone hole and upward switch knob, easy to adjust. Easy to Use: Simple operation, close to the door, window, wall, adjust the volume until you hear a crisp sound.Battery Powered: With built in lithium battery, easy to operate and carry.Specification:Material: Plastic + electronic componentsWeight: 66gMeasuring range: within 1m/3.3ftPenetration: Cement wall, steel wall, wooden wall, iron wall, glass, cavity brickWorking temperature: -10-50 degrees CelsiusPower supply: built-in lithium batterySize Chart:66x35mm/2.60x1.38inchPackage Includes:1 Piece Voice Listen Detector Main Machine 1 Piece Data Cable1 Piece Earphone