Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features: With Charger Jack.Low battery indicator.Quick-change battery compartment.Choice of sound alarm or silent vibration alarm.Sensitivity setting at optimum level-no tuning required.Detects all types of metal object. Ferrous and non-ferrous.Easy to use, 3 position switch for power, sound and vibration.Suitable for use at airports, seaports, banks, public buildings, prisons, stadiums, hospitals, schools.Capable to detect all concealed metallic objects including small knives, screws, blade, box cutters and even tiny jewelry.Provides a large scanning surface to permit quick and thorough scanning and it has vibration function for avoiding any noise or disturbance. Specification: Indicators:Solid Green LED: Power OnSolid Red LED: Target DetectedSolid Yellow LED: Low Battery Indicator Detection Distance:Pin: 30-60mmCoin: 75-100mm6 inch long knife: 160-180mm64 model handgun: 180-195mm Work Power: 9VOperating Temperature: -15￢ﾄﾃ to +45￢ﾄﾃAlarm Mode: Acoustooptic / VibrationReset Time: 0.5 Second, AutomaticBattery Type: Single 9 Volt Alkaline or Ni-Cd (Not includes)Battery Life (NiCd): 30 to 40 Hours (Ni-Cd) Battery Life (Alkaline): 28 Hours (Alkaline) Product material: MetalColor: BlackSize: (L) x (W) x (H)375 x 75 x 25mm/14.76'' x 2.95'' x 0.98''(appr.) Package included: 1 x Metal Detector Scanner Detail Pictures: Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.