Description :TS-80 Professional Portable Handheld Metal Detector Scanner Tool Finder for Security Checking Features :Handheld and Light weight.It can be used for public security in airports, railway stations, docks, prisons, customs and frontier defense as well as quality control of medicine, food and other commodities.With very low power consumption, this detector can work for over 40 hours continuously.Use a coin to test the metal detector function. When the coin passes the detector the LED power light will be on and a short beep can be heard.Low voltage alarm: When you turn on the power switch of the metal detector but hear continuous alarm, it means the battery voltage is low and should be replaced. Specification :LED power indicator.Operating Frequency: 25KHzOperating Current: 9V DC Battery (Not included.)Operating temperature: -10 to 50Charging time: 14~16 hoursWeight: 0.34kg Package includeds :1 x Handheld Metal Detector Details pictures :