1. Well designed, compact and lightweight, wearable with wristband, ideal for important occasions: park, school, museum, airport, subway 2. High sensitivity detection, wide metal detection range, temperature detection range is -15 to 45℃ 3.Three battery level indicators: green for normal (high power), yellow for indication (low power) and red to replace or charge the battery (no power) 4.Powered by a 9V battery (included). Two security indication modes: you can choose between an alarm signal or a vibration signal. 5.C' is very easy to use, the combat ability is ideal for checking rare illegal goods Product Description High Sensitivity Portable Metal Detector Product Introduction: This is a portable metal detector with large detection range, fast detection speed and high sensitivity. Perfect for security checking and detecting prohibited goods, electronic products, metal, etc. in stations, borders, schools, courtyards, halls, factories, etc. Product Features: 1.Temperature detection