Multifunctional High Precisions Fine Performance Digital Display Underground Gold Silver Copper Diamond Detector Metal Search Instrument Kit with Headphone With your metal detector, you can hunt for coins, relics, jewelry, gold, and silver at any time, as well as metal. The detector is versatile and easy e, and is also very popular among gold diggers. Come and try it, you will not be disappointed. Features: With your metal detector, you can hunt for coins, relics, jewelry, gold, and silver just about anywhere. The detector is versatile and easy e, has a long service life. Headphone jack - Let you connect headphones and operate without trouble. LCD - Show the probable type of metal which is being detected and low battery display. Waterproof search coil - Can be used in shallow water. The search coil is waterproof, but the control housing is not waterproof. Adjustable stem - Let you adjust the detector's length for comfortable use. Arm support - Let you carry and operate your detector comfortably, and make sure this detector is easy e for people of different sizes and ages. Special function - With Pinpoint button for accurate detecting & 3 tones for three different metal catagories. Unwanted target elimination - You can set the detector not to respond to some objects. Specifications: Material: plastic Color: black+orange Type: type1~type3 (optional) Battery: 2 * 6F22 9V battery (not included) Detection depth: 160mm / 6.3in (test coin: U-S Φ 25) Sensitivity: Coin: 120mm Jewelry: 120-170mm (depending on size) Cans: about 80-100mm Metal plate: 300mm Operating frequency: 6.5KHZ  Operating current: standby ≤40mA Operating voltage: 7.2-9V Detection indication: LCD display, sound LCD size: 38 * 38mm / 1.5 * 1.5in Detector height: 760-1010mm / 29.9-39.8in Search coil diameter: 190mm / 7.5in Operating temperature: -15℃ to 45℃ / 5℉ to 113℉ Storage temperature: -20℃ to 60℃ / -4℉ to 140℉  Detect objects: metal(iron nail, iron covering, aluminum ring, small aluminum product, coins, gold, bronze, silver)  Applications: gold detection, desert detection, safety inspection, archeology, treasure hunting, beach detection Package size: 497 * 215 * 140mm / 19.6 * 8.5 * 5.5in Package weight: (optional) Type1: 1186g / 2.6lb Type2: 1366g / 3.0lb Type3: 1816g / 4.0lb Package list: (optional) Type1: 1 * Metal Detector  1 * Search Coil with Extension Stem 1 * User Manual or Type2: 1 * Metal Detector  1 * Search Coil with Extension Stem 1 * Headphone 1 * User Manual or Type3: 1 * Metal Detector  1 * Search Coil with Extension Stem 1 * Headphone 1 * Shovel 1 * User Manual