Z30 11.5 Inch Search Coil Underground Metal Detector LCD Display Treasure Finder Archaeology Instrument Handheld Portable Easy To Install High Sensitivity High Precisions Multipurpose Metal Detector for Adults and Kids (Built in Lithium Battery) This is a new series of metal detector, ZJ means to be simple and easy to operate it, Z30 panel includes display area and button area.The display area includes phase value, phase division, working mode, current recharge, sensitivity, depth and prompt volume. With this product, you can use it for metal detect, come and enjoy it. Features: Wild application: go-ld finding, desert detection, mili-tary use, safety inspection, archeology an so on. With large LCD display screen, you can see the data like hase value, phase division, working mode, current charge, sensitivity, depth, prompt volume and so on more clearly. The search coil is water proof, so you can use it even in the water. (But please notice, the search coil is water proof but the host is not, so please do not put it in the water all.) This metal detector is lightweight and wearable, and also has a backpack for it, so you can carry it with you wherever you want e it. It is easy to install it, you just need a several step to install it, whether you're new to it or a treasure hunter, you can easily install it. It has the sin-gle mode, looking for only one metal, more accurate detection. There are several modes: metal mode, iron removal mode, Jewe-lry mode, re-lic mode, sin-gle mode, you can choose the mode you like e. Specifications: Material: ABS+metal Battery: 1 * lithium battery, 2000mAh (included) Sensitivity: 0-99(adjustable) Operating voltage: 3.8V Working temperature: -20℃~60℃ Package size: 625 * 267 * 132mm / 24.6 * 10.5 * 5.2in Package weight: 3000g / 6.6lb Packing list: 1 * Metal Detector 1 * USB Cable 1 * Earphone 1 * Backpack 1 * Search Coil Protector