Metal Detector - Engineering Plastics, 140mm Diameter Probe, 400mm Length | High Sensitivity Detection, Dual Alarm System, 40-hour Battery Life

Following Details of Metal Detector :
The highest detection sensitivity: A coin is about 70-80mm.(metal materials and size as well as dimension determine the detection sensitivity)
IC, pin and so on can through the test.
High detection sensitivity means that under the stable condition, this kind of product has higher detection asensitivity, over 30% higher than the same products in the market.
Materials: Engineering plastics
Size of the probe: Diameter is 140mm
Total length: Nearly 400mm
Types of alarm: Light and sound work at the same time
Continuous working period: Alkaline batteries can work for 40 hours. Rechargeable nickel-metal-hydride batteries can work for 14 hours.
In good working order: Transience warning noise can be heard when you turn on the product
Under voltage: Continuous warning noise can be heard when you turn on the product
Voltage: One 9V folding battery or direct plug-in charging
Working current: Less than 8 milliampere.
Producing area: Shenzhen
Weight: 230g (exclude battery)