Fully Waterproof Underwater Metal Detector for Kids and Adults Mini Handheld Pinpointer Probe Pulse Induction with LED and Power Indicator MD 790 Hobby Metal Detectors Specifications:Material: ABS+aluminumBacklight Adjusting: 0~9Earphone Jack:

Specifications:Material: ABS+aluminumBacklight Adjusting: 0~9Earphone Jack: 3

indicator will display red / green lights to represent different target types

The detector's features including:

The built in insolating circuit helps avoid wrong battery connection and prolong the battery life

【Headphone Jack】provide headphone Jack

Fully Waterproof Underwater Metal Detector for Kids and Adults Mini Handheld Pinpointer Probe Pulse Induction with LED and Power Indicator MD 790 Hobby Metal Detectors Specifications:Material: ABS+aluminumBacklight Adjusting: 0~9Earphone Jack:FULLY WATERPROOF PINPOINTER: The metal detector's durability based on MIL STD 810 F will provide years of reliable operation even in rugged environments. LCDs AND POWER DISPLAY: Three LCDs indicator and buzzer will make the detector more precise positioning of metal objects. The new function power display allows you to control the power of the detector at any timeHUMANITY DESIGN: handheld metal detector is suitable for underwater. The small design is