Description Features: Two-mode Metal Detector-All metal-mode can detect various metals including gold silver bronze iron aluminum and so on; while DISC-mode to eliminate the metal you dont want and target the certain metal you want accurately. Large clear LCD display with light to show metal type target depth operating mode sensitivity level and battery level even in a dark condition. High Sensitivity alarm signal and light flash to show the detection of the metal and the signal and flash vary for different kinds of metal. Headphone Jack: Provided for headphone connection. Both stereo or mono headphone can be used. Volume Control: For adjusting the output volume to the loud speaker or headphone. Low battery indicator to remind you of the running-out of the battery. Press the pinpoint button to locate the target and determine its exact position more accurately. Adjustable stem (from 29.9 to 39.8 inch) and arm support to provide great convenience and comfortness Armrest and Stem: Designed to eliminate strain on forearm. The nylon bracket to further secure the slip of the hand compartment after long time holding the detector by arm. Large 7.1 inch diameter waterproof search coil to provide higher sensitivity and enable you to detect treasures underwater or in other outside extreme ground conditions. Please note that control box is not waterproof. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Specifications: Material: ABS+Aluminium Stem Adjustable Range: 30- 39.8 inch Search coil diameter: 7.1 inch Detection depth: 8 inch (The detection depth depends on the size of the target metal the bigger the detecting target is the deeper the detection depth is.) Power: 2 x 9V DC batteries (not included) Operating frequency: 6.6KHZ 0.2KHZ Operating current: standby 20mA Max. 80mA Operating voltage: 7.2-9V Operating temperature: 5 to 113 degree fahrenheit Storage temperature: -4 to 140 degree fahrenheit includes: 1 x Metal Detector 1 x Headphone 1 x Multi-Function Folding Shovel 1 x User Manual