This device is a high performance Hand Held Metal Detector designed to meet the exact requirements of the security industry. Typical uses will include body search for offensive weapons in crowd control, airport and border security, checking parcels and letters for metal objects and anywhere that hidden metal needs to be detected.
IP 54 rated - Good for use outdoors or indoors.
High or Low Sensitivity Settings: A pen knife will be detected at 4 Inches at low, and 6 Inches at High. Very High Detection Ability: Detection of USD 25 cent piece at 45mm

Specifications:
Detection Indicator:
Visual = Red/Green LED
Sound + Vibration
Control: On/Off; Low/Normal Sensitivity
Operating Frequency: 93KHz
Power Source: 1x 9V Battery
Dimensions: 420mm x 85mm x 42mm (L x W x D)

Package Details:
1 x Hand-held metal detector with Holster
1 x 9V alkaline battery
1 x English User Manual

Package dimension: 425 x 88 x 45mm
Package weight: 409g