Product Name: Handhold metal Detector for Security Check (JTC-945) Model NO.: JTC-945 Application: Home, Industry, Special Equipment, Traffic Certification: CE Type: metal Detector Installation Mode: Handheld Usage: metal Item No.: Jtc-945 Brand: Haaq Color: Black 64 Type Gun: 150mm Six Inches Dagger: 160mm 20 Mm Diameter of Steel Ball: 90mm Size: 410*85*45mm Trademark: HAAQ / ZHILI Transport Package: Export Carton Specification: China Standard Origin: China Product Description handhold metal Detector for security checkCharacter1Detect distance won't change even the voltage drop from 9V to 7V,2Can Continue work more than 40h3It will warning when the battery use out soon4May use the external power supply to charge it5Can cut from Sound and Vibration function6Can replace the rechargeable batterymetalDetector1,battery9Vreduceto around7V,butdetectionrangedonotchange2,itcansaveelectricity, andcontinuouslyworkingreachuptomorethan40hours3,whenthebatteryisalmostlyusedup,willmakeaalarmvoiceautomatically4,Canuseexternalpowerforcharging5,haveacousto-opticandvibrationfunction,andcanbemutualchanging-over6,thebatterycanbechanged7,size:410*85*45mmDetectionRange1/2pin:30-60mm64typegun:150mmsixinchesdagger:160mm20mmdiameterofsteelball:90mmbattery9Vreducetoaround7V,butdetectionrangedonotchangeitcansaveelectricity,andcontinuouslyworkingreachuptomorethan40hourswhenthebatteryisalmostlyusedup,willmakeaalarmvoiceautomaticallyCanuseexternalpowerforcharginghaveacousto-opticandvibrationfunction,andcanbemutualchanging-overthebatterycanbechangedsize:410*85*45mm