Metal Detector Pro Pinpointer Gold Digger Hunter Sensitive Tester Waterproof Package included:1 x Metal DetectorIf the instrument has the ringing the situation, please remove interference factors around the machine, such as indoor floor reinforcement, metal watches, gold and silver jewelry, shovel, spade, suggested that the open field test in the outdoor use.machine chassis is waterproof, the host box is not waterproof, do not use in the thunderstorm day machine, avoid host box of water be affected with damp be affected with damp.1, counterclockwise, open the battery cover, the section 9 v battery into battery cylinder (suggest) with alkaline batteries. Then on the battery cover, and screw clockwise.2, press the power switch, open the machine.3, choose the required metal alarm way: vibrations, or sound, or vibration + voice.Operation method:Press the power switch once, select sound alarm if detect metal, machine noise.Press the power switch twice, select vibration alarm if detect metal, machine vibration.Three times the power button, select the vibration + voice call the police. If detect metal, machine vibration and sound.4, a handheld probe began to detection, when the machine is within 4 cm above the target, machine will alarm.5 after the use, press the power switch for about 2 seconds to turn it off.Note: this machine is waterproof model, detection in water. Before the water detection, please ensure the battery cover and tightenProduct Parameters:Alarm indication: audio and vibration appear at the same timeSensitivity: about 5 cm (for RMB, one yuan coin)Power supply: 9 V battery (6F22ND) ( Not Included )Body size: 23 x 3.8 x 2.2cmDetection range:0-4CM