Home Security Systems By CALANDIS

• 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.
• Package Includes: 1 Piece Voice Listen Detector Main Machine

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