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 quickly
Low power alarming function: when the battery voltage is low, there will be buzzer sound rings all the time to prompt to replacement battery

Specification:
Detection sensitivity: ￠2.0mm still ball
Power supply: 9V fold battery (6F22ND)
Operation frequency: 95 KHz
Power consumption: 260mW
Current: less than 50mA
Operation temperature: -10℃ to 50℃
Net weight: 365g
Dimension: 410*80*40mm
Package size: 415*270*535mm (20PCS/Carton)