Product features: 1. Fast detection of induction 2. Outdoor detection selection 3. Easy to fold and take with you 4. Long endurance 5. Wide range of application scenarios The product is widely used in government agencies, airports or stations or examination rooms and other required security Product parameters: Current consumption: less than 3mA Operating temperature: -10-and50 Search head diameter: 139mm Detection mode: Buzzer alarm or LED indicator flashing Features: Can detect ferrous and non-ferrous metals Battery: 9V battery(not included) Color: As Shown Material: ABS Package Contents: 1 x Metal Detector 1 x Lanyard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.