Surveillance equipment Hand-Held Metal Detector GC

Hand-Held Metal Detector Features: 1) Operating frequency: 95kHz 2) Operating temperature: -20 - 45oC 3) Power supply: on / off power 4) Light: LED flashlight (momentary switch) 5) Indicators: a) Red LED: alarm b) Green LED: power on c) Amber light: low battery warning d) Audible-speaker with red LED e) Silent-vibrator with red LED 6) Weight: about 350g 7) Sealing performance: IP64 8) Battery: 1 x 9V dry battery 9) Overall dimensions: length 42cm 10) Detecting wt: 7 - 9cm 11) Hand-held wt: 5cm 12) Detecting part ht: 2.6cm 13) Hand-held ht: 3cm 14) Three-position switch with selection of visible alarm or audible and visible alarm, and power supply controlling is convenient, smart, fast 15) Optional earpiece output for audible alarm, available in noisy and quiet environment 16) Tone identification: making use of the character of ATD, the machine only makes audio-frequency change when you detect small metal articles. But make audio-frequency change & tone change simultaneously when detecting big articles 17) Reset function: put the key gently to make the machine to the work waiting state. Especially using when appear faulse alarm or the temperature of detecting enviroment changed 18) Low voltage indicators: continueous alarm, green light stop flashing, and red light flash