The Investigator G-500 is a microprocessor-driven ground search detector that automatically pinpoints targets. Simply press the POWER touchpad to begin your search for hidden weapons and evidence; the Investigator 500's patented Graphic Target Analyzer will let you know what you've found before you even start to dig. The Investigator G-500 is extremely easy to use. Its easy-to-read LCD continuously displays all control and discrimination settings, while the Target ID cursor helps identify specific targets even in trashy areas. The G-500 offers an All-Metal search mode or a 24-notch Discrimination mode that can be tailored to exclude specific targets from detection. Features: Low Frequency Transmitter/Receiver Graphic Target Analyzer Multiple Notch Discrimination High visibility LCD - data accessible at any angle Microprocessor Controlled Crystal-controlled 4 MHz operation Surface Mount PC Board Technology Speaker Hip-mount battery pack Specifications: Weight (with searchcoil): 3 lbs 8oz. Shipping Weight: 5lbs Detection Frequency - 7.0 kHz Audio Frequency - 370 Hz Batteries - Eight (8) AA Humidity: 0 to 95% Non-condensing Operating Temperature: 0A A