Feature: Light weight, easy operation, comfortable handling, ergonomic design, high sensitivity, comes with adjustable bracket. Detection indication: Audio alert and LCD display indicate the detection of metal(6cm/2.36in detector diameter, 10cm/3.94in detection depth), once metal is detected there's beep sound and LCD screen light to remind you. Adjustable sensitivity & volume: Easy to control the detector's 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. Waterproof search coil: You can use the metal detector in the shallow water with waterproof search coil, it's perfect for kids outdoor use to start a treasure hunting journey. Application: for children, this is tailor-made for inexperienced metal finder for cultivating an exciting interest and hobby, can be used in science education, parents-kids activity and simple metal detection. Specification: Power supply: 9V (6F22) (not included 1 x 9V Battery) Frequency: 5.0KHz Current: Standby: 10mA / Maximum: 70mA Voltage: 7.2V-9.6V Sensitivity: a coin: 13mm/0.51in Indication mode: Sound mode / LCD mode Material: plastic+metal colour: Black orange Package Contents: 1 x Metal Detector KIT 1 x English Instruction 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.