Super scanner Metal Detector make different sounds when detect different metals,which help to find the target object

Feature: Ultra-high sensitivity: this equipment can detect tiny metal,such as razor-chip;Automatically initializing at start-up;The products can make different sounds when detect different types of metals ,which help to find the target objectives wanted quicklyLow power alarming function:when the battery voltage is low ,there will be buzzer sound rings all the time to prompt to replacement batterry

Specification:

Detection sensitivity:  2.0mm stell ballPower supply: 9V fold battery(6F22ND)Operation frequency: 95KHzPower consumption: 260mWCurrent: less than 50mAOperation temperature: -10°C to 50°CNet weight: 365gDimension: 410*80*40mmPackage size : 415*270*535mm(20PCS/Carton)

Cheapest Super scanner Metal Detector 1165180