Feature: Lightweight, 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, a beep sound and LCD screen light will alert you. Adjustable sensitivity & volume: Easily control the detector's sensitivity level with sensitivity control; adjust the volume level of the speaker when searching for missing or lost coins, pieces of jewelry, and other metal objects. Waterproof search coil: The metal detector can be used in shallow water with a waterproof search coil, making it ideal for kids' outdoor use to start a treasure hunting experience. Application: Designed for children, this product is ideal for beginners to develop an exciting interest and hobby in metal detecting. It can be used for science education, parent-child activities, and basic metal detection. Specification: Power supply: 9V (6F22) (battery not included) Frequency: 5.0KHz Current: Standby: 10mA / Maximum: 70mA Voltage: 7.2V9.6V Sensitivity: detects a coin at 13mm/0.51in Indication mode: Sound mode / LCD mode Material: Plastic + metal Color: Black orange Package Contents: 1 x Metal Detector Kit 1 x English Instruction Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 13cm.