a new portable hand-held waterproof two-color metal detector scanner positioning rod is used to search metal objects under 10 meters of wate

open the power supply
press and release button, at the same time to probe away from any metal objects. you will hear a beeping, led flashlight will remain lit. led lights
when the device opens, white leds will be lit, provide boot instruction, and act as a flashlight. when you want the led lamps and lanterns has another function. can be closed. low battery alarm
when the battery is insufficient, the probe will be issued a warning alarm. replace the 9 v battery as soon as possible..syi