Professional Handheld Pinpointer for Hunting Gold Detection, Gold Detector, Portable Gold Sourcing D

Specifications:
Power voltage: 9V standard or rechargeable battery
Power: 270mW
Operating frequency: 22kHz
Operating current: <50mA
Operating voltage:7V-9V
Operating temperature: -10°C to +65°C
Net weight: 409g
Dimensions: 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