Pinpointing Metal Detector, CSI Pro-Pointer AT, ABS Plastic Material, Exterior Length (In.) 9 in, Exterior Width (In.) 1 1/2 in, Thickness (In.) 1 1/2 in, Weight (Lbs.) 0.4 lb, Audio Alarm Selectable, Operating Frequency (Hz) 11.5 kHz, Max. Operating Temp. -35 Degrees to +158 Degrees F, Scans 360 Degrees Detection Range; All Ferrous, Non-Ferrous and Stainless Steel Weapons, Contraband and Other Metallic Objects, Audio/Vibrate Indicator, 9V Battery, Battery Life 30 hr, 16 hr, 8 hr (Rechargeable)