Metal Detector Portable Detachable

Material: ABS+metal Colour: black+silver Sensitivity: Min.130mm / 5.12 inch (test coin: U.S. Φ 25) Detection mode: all metal, discrimination operating frequency: 5KHz Power supply: 2 * 9V battery (not included) Operating voltage range: 9V Sensitivity: adjustable Detection depth: 100-300mm / 3.9~11.8in Volume: adjustable Headphone jack: 3.5mm Adjustable height of detector: 750~1120mm / 29.5~44.1in Operating temperature: -15～45℃ / 5~113℉ Storage temperature: -20～60℃ / -4~140℉ Package size: 500 * 220 * 110mm / 20.0 * 8.7 * 4.3in Package weight: 1279g / 2.8lb Notice: 1. The search coil is waterproof, but the control housing is not waterproof. Packing List: 1 * Metal Detector Main Unit 1 * Armrest 2 * Connecting Rod   1 * Search Coil