Feature: Light weight, easy operation, comfortable handling, ergonomic design, high sensitivity, comes with adjustable lightweight 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: perfect gift 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