• If the instrument is ringing, please eliminate the interference factors around the machine, such as indoor floor reinforcement, metal watches, gold and silver jewelry, shovels, and shovels, and it is recommended to use it for outdoor open-air testing
• The machine case is waterproof, but the main case is not waterproof. Do not use the machine in thunderstorms to avoid the main case getting wet
• Turning counterclockwise, open the battery cover and insert a 9V battery into the battery holder (recommended) for alkaline batteries. Then on the battery cover, screw it clockwise
• Press the power switch to turn on the machine
• Select the required metal alarm mode: vibration, or sound, or vibration + voice. Operation method: Press the power switch once, detect metal select sound alarm, machine noise. Press the power switch twice, when metal is detected, select the vibration alarm, and the machine vibrates. Press the power button three times and select vibration + voice alarm. If metal, machine vibration, and sound are detected
• Hand-held probe starts to detect, when the machine is within 4 cm above the target, the machine will alarm
• After use, press and hold the power switch for about 2 seconds to shut down. Before water intrusion detection, please make sure the battery cover is tightened

Specifications:

• Alarm indication: sound and vibration appear at the same time
• Sensitivity: about ≥5 cm
• Power supply: 9 V battery (6F22ND) (not included)
• Body size: 23 x 3.8 x 2.2cm
• Weight: 175g
• Detection range: 0-4cm