Fisher CW-20 Handheld Metal Detector for Security Screening - Professional Weapons Detection at Airports, Schools & Events

Metal Detector, Hand-Held, Plastic Material, Inside Length (In.) 16 1/2 in, Inside Width (In.) 3 1/2 in, Inside Height (In.) 1 2/5 in, Inside Depth (In.) 1 in, Exterior Length (In.) 16 1/2 in, Exterior Width (In.) 3 1/2 in, Exterior Height (In.) 1 2/5 in, Exterior Depth (In.) 1 2/5 in, Thickness (In.) 1 2/5 in, Weight (Lbs.) 0.9, Audio Alarm Yes, Operating Frequency (Hz) 3 Alterante Frequencies, Max. Operating Temp. 160 Degrees F, LED Indicator, 9V Battery, Battery Life 40 hr