High Sensitivity Even Detects Small Hidden Metal Objects 
LED Lights Alerts to the Detection of Metal 
Choose Between Sound or Vibration Alerts 
Easy and Convenient Use, No Adjustment Necessary 
High/Low Sensitivity Settings 
Detection Sensitivity: 2.5mm Steel Ball 
Battery Required: 9V - Battery Depletion Warning 
Power Consumption: 270mW- 50mA 
Operation Frequency: 22kHz 
Operation Temperature: -20 to 90 degrees F 
Perfect for Security, Safety, Indoor/Outdoor Events 
Net Weight: 14 oz. 
Dimensions: 16.0'' x 3.3'' x 1.7'' inches