【Design Features】- Light weight,easy operation,comfortable handling ,ergonomic design,high sensitivity,comes with adjustable lightweight bracket.This is tailor-made for inexperienced metal finder and suitable for Adults/Kids. 【Waterproof Search Coil】- Audio alert and display indicate the detection of metal. Waterproof Search Coil - You can use the in the shallow water with waterproof search coil.The product only needs to use one 9V battery to work. When it stops working for a long time, please remove the battery. 【Best Service】- This is an exquisite birthday gift, holiday gift or anniversary gift for finding treasures in your life. 【Adjustable Sensitivity & Volume】- Easy to control the detectors sensitivity level with sensitive control;adjust the volume level of speaker when searching to find missing or lost coins, pieces of jewellery and other metal objects. 【Widely Use】- Perfect for finding metal objects and anywhere that hidden metal.etc.can be used in science education,this is tailor-made for inexperienced metal finder.