• Easy to operate, equipped with leather for carrying
• Rechargeable function, charge time 4-6 hours (charger for select cases)
• When enough voltage, the indicator light does not shine or no sound alarm
• light and sound vibration alarms
• First use of automatic reset switch to switch the sensitivity function, thereby achieving that is capable of detecting large objects, but also can detect small metal objects
• Adjustable sensitivity

Detection sensitivity: 2.5mm Ball
Power supply: 9 volt battery (6F22ND)
Power consumption: 270mW
Operating frequency: 22KHz
Working current: less than 50mA
Working temperature: -5 -55
Net Weight: 409g
Size: 410 * 85 * 45mm
Packing size: 580 * 330 * 460mm (25 support / box, weight: 12.5KG/13.5KG)