Origin	China
Model Number	GP-3003B1
Brand Name	Junhan

GP-3003B1 Hand Held Metal Detector
Function:
1. Electronic detection inspection at airports, railway stations and wharfs.
2. Security inspection of customs, public securities.
3. Quality inspection of medicine and food commercial systems.
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 40 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 hole.
8. Has audio, Light and vibration shifting switch.
Technical Specifications:
1. Dimension: (L)415*(W)65*(H)40mm
2. Power: 9v battery
3. Weight: 295g
4. Alarming Mode: audio& light, vibration.
5. Charger voltage: 9v for AC; 10v for DC.
6. Packing: 25 pieces per carton
7. Detection distance:
(1). Pin 30-60mm
(2). 64 model handgun 150mm
(3). 6 inch long knife 160mm
(4). Steel Ball with diameter 20mm 90mm
8. Color: Black