* Can detect medium size pistol at 9", porker knife at 6", steel key ring at 5", razor blade at 3", hatpin at 1".
* Automatic returning to ready
* Visible checking the battery remainder with green LED's
* Easy to change the battery with no tools
* The jack for earphone is also using to connect recharging adapter.
* Easy selectable the sensitivity of detection

Specification :

• Operation Frequency : 90 KHz
• Net Weight : 375g
• Net Dimensions : 400(L) x 71(W) x 34.5(T)mm
• Indicators : Piezo Sound & Red Alarm LED
• Battery Check : 2 Green and 1 Red LED's