Raider Analog Meter Metal Detector with Scoop and Carry Bag: * Coil frequency options: 5.5kHz * Audio output for external speaker or headphones * 1/8" headphone output jack * Adjustable detection modes * Virtual display meter * Internal cable running * 10 segment discrimination scale * Ground balance * Water-resistant * Low battery audio alarm and LED display * 1-10 sensitivity display * 6 AA batteries required, not included * Imported * 1-year manufacturer"s warranty * Model# GAMGE100