1. Quick detection and sensing 2. outdoor detection 3. Easy to fold and carry around 4. Long lasting battery life 5. Wide application scenarios The product is widely used in government agencies, Airport/station/examination room and other required security inspection sites Product parameters: Current consumption: less than 3mA Working temperature: -10 ~+50 Search head diameter: 139mm Detection mode: Beep alarm/LED indicator light flashing Features: to detect black and non-ferrous metals Battery: 9V battery product(without) Tips: The product may be updated constantly , Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: plastic colour: Black Package Contents: 1 x Metal Detector 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.