allsun Handheld Metal Detector Security Wand for Security Inspection Audio Alert Vibration LED Indication

Your Wise Choice --- allsun Metal Detector Different from other brand traditional hardware controlled product, allsun metal detector uses software controlled chip driver. According to different environment (such as temperature, humidity etc.), the detector can adjust itself and avoid damage or false alarm, ensuring a long term and stable performance for you. FEATURES 1. A Red LED lights when the detector detects metal. 2. Pressing and holding the Desensitize button reduces the detector's sensitivity by about 50 percent, so you can scan for example near floors which contain large amounts of steel rebars, or scan in the places where only larger objects are required to be detected. 3. The earphone jack lets you connect the earphone to the detector so that you can scan in privacy. ADJUSTING THE SENSITIVITY The detector has been set to the optimum sensitivity level for most security scanning applications. You can adjust the sensitivity level for special applications, which require higher or lower sensitivity. SPECIFICATION Sensitivity: a piece of 25 cent coin (USD) 60mm (15mm*) 20mm Iron pipe 100mm (30mm*) Operating Environment: -10?~ +50?, < 85%RH Quiescent Operating Current: < 6mA Battery: 9V, 6F22 . Operating Frequency: about 28kHz Tuning: Automatic Alarm: LED light & audio / vibration The mark "*" means detecting with reduced sensitivity by pressing and holding Desensitize button. ACCESSORIES Manual : 1 piece Earphone : 1 piece TS92 equipment: 1 piece