Wholesale school security hand held metal detector GC1001 metal detector wand

Characteristics:

• It is easy and convenient to operate.
• Handle is skidproof.
• Unidirectional operation-------When the detector finds a metal object, the red LED light on two sides both alarm when detecting metal articles .
• Low power consumption ---------When the product at the standby mode, the current is 0 A; at the working mode, the current is 1mA.
• High precision and sensitivity------ It can detect small metal object (about 0.1 kgor smaller).
• Low battery alarm -------The system will keep on detecting the current.when the voltage is lower than enough, the red alert light will be on, which indicate that you should replace the battery now.
• It will alarm at different tonalities according to different sizes of the metal. You can connect an earphone to the detector when the environment is particular.