Sell Good sensitivity hand held metal detectorMD 3003B1:

Description

Function and characteristics: 1. Electronic detection inspection at airports, railway stations and wharfs. 2. Security inspection of customs, public securities. 4. Security inspection of important sites and playgrounds. 5. Noble metal detection, such as gold or silver jewelry manufacturing plants. Characteristics: 1. Highly sensitivity. 2. Simple and convenient to use, no adjustment is required. 3. The detection distance will not be changed when the battery voltage drops from 9V to about 7V. 4. Low power consumption, can work for *0 hours continuously. 5. There is automatic and continues alarm when the battery is used up. 6. Switch on/off audio prompt function. 7. With external rechargeable socket. 8. Has audio, Light and vibration handoff switch. Technical Specifications: 1. Dimension: (L)**5*(W)*5*(H)*5mm Operating Frequesncy *2KHZ Operation Current ï&frac*4;œ*0 mA. Operating Temperature *5℃ to + *5℃ 2. Power: 9v battery 3. Weight: **9g 4. It has alarm and audio/light-auto switch functions 6. Packing: *5 pieces per carton 7. Detection distance (1) Pin: ****0mm (2) *4 model handgun: **0mm