Easy to operate with 2 alternative alert ways of o indicator and vibrator indication .
Provide accurate security inspection of metal with adjustable sensitivity , light‑weight and easy to carry around with a wrist strap
Widely used for safety check and detection of prohibited goods , electronic products , metal objects in railway station , frontier , school , court and factory .
Rechargeable battery socket for charging the product after installing rechargeable battery .
3 color of indicators , green light for power , yellow light for low battery , red light for metal detection alarm .
