(www.highlight86.com) hand held metal detector model: hd001-e the hd001-e 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. 1. high/low sensitivity operation 2. rechargeable battery socket 3. earphone socket and vibrator button specification power: 9v standard or rechargeable battery power: 270mw operating frequency: 22 khz operating current: <50ma operating voltage : 7-9v recharging voltage: 12v dc or 9v ac operating temperature: -5℃ to +55℃ net weight: 411g dimensions: 410mm(l)x 85mm(w)x 45mm(h)