Product Name: 20 Years Experience High Sensitivity Portable Handheld metal Detector Model NO.: MD-3003B1 Alarm Form: Sound and Light Alarm Application: Examination Room, Public Area, Factory Customized: Customized Certification: CE, ISO Transport Package: Carton Specification: 420*85*37mm Origin: China HS Code: 8543709100 Product Description The MD-3003B1 is a high performance handheld 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 detectedSpecifications:Power voltage: 9V standard or rechargeable batteryPower: 270mWOperating frequency: 22kHzOperating current: <50mAOperating voltage:7V-9VOperating temperature: -10°C to +65°CNet weight: 409gDimensions: 41(L) X 8.5(W) X 4.5(H)cmUser;s attention:* Turn the power switch to turn on, while the green light. If there is no tone indicates no battery or the battery connection is bad, such as the non-stop sound, indicating that the battery should be renewed* Sensitivity adjustment: with a small screwdriver inserted into the hole on the handle to rotate clockwise to adjust the sound, then counterclockwise* Rotation was adjusted to not sound, then counterclockwise half turn, to meet the requirements of sensitivity* Alarm: sound and light, vibration * Package : 1 piece metal detector (not including batteries)Application: *Airports, stations, terminals, electronic detection examination room examination *Customs, frontier defense, defense department security checks *Medicine, food quality inspection business systems *The important places, such as playground safety inspection *The noble metal detection, such as gold and silver jewelry factory