Light weight only 280g, Size 26.5 x 2.2cm (10.5 x 0.87in), come with plastic stretchy coiled strap, belt , it's convenient to hold or hang on the belt to carry to anywhere and prevent dropping or missing. All you need to do is a button to turn on the Metal Detector and then start treasure hunting, super easy, kids can operate independently. 3 operation modes: Audio alert & Vibration & LED light to detect multiple metals - vibration and audio indicator you 't miss any alert when in a noisy environment. Built in LED light, convenience to operate at night. Metal Detector can detect types of metal object such as coin, Gold, Silver, relics, jewellery, to help you easily find or missing metal objects whether indoors, outdoors, in wall, sand, grass, soil or hole. Waterproof & multipurpose Metal Detector - waterproof pinpoint tip allow you to detect in water, suit for diving. Metal Detector can be used for treasure hunting in tight areas which your typical Metal Detector can't get to, airport security for recovering , construction work like finding screws and nails within the dry wall, finding screws in your garden to prevent accidental injury or valuables lost in the garden Beginner Expert suitable & - and one button operate feature suitable for treasure hunting beginner to use. The bar Design and 360 degree detect features also a necessary for expert . Auto alarm when in low power, constantly alarm to remind the user to change a new battery. Battery:1x9V (Nincluded) Operating frequency:10-12KHz Operating temperatures:-35F (-37C) to 158F (70C) Operation way: Pinpoint tip detection, 360 side-scan detection area Proportional audio/ vibration pulse rate 100% waterproof, Level IP68, can be used underwater 3meter Sensitivity: 5cm (for a US quarter) Long working time, 1x9V can work more than 20hs. Low-battery display Alarm be increased based on targets' proximity. There is data showing on the device, to help user to know the depth of water or hole. to help user grasp easier and 't sliding down. Controls: Power switch Length: . 10.5Inch/26.5cm Diameter: . 0.87inch/2.2cm to 1.65inch/4.2cm Diameter Pinpoint tip detection. 360 side-scan detection area. Always with LED to help the user to find target at night or dim environment. With a and a retractable hanging wire. & easy to carry & simple operation Colour:As Shown Material:Metal+Plastic Package Contents: 1 x Underwater Metal Detector Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.