General description MD1008A Underground Metal Detector is an ideal tool for finding metal objects such as gold and silver jewelry, coins, and other metals. It is lightweight, easy to operate, and features an ergonomic design for comfortable handling. The detector is equipped with a waterproof search coil, making it suitable for shallow water use, perfect for kids and outdoor treasure hunting. Technical specifications Power supply: 9V (6F22) (not included) Frequency: 5.0KHz Current: Standby: 10mA / Maximum: 70mA Voltage: 7.2V-9.6V Sensitivity: detects a coin at 13mm/0.51inch Detector diameter: 6cm/2.36in Detection depth: 10cm/3.94in Usage The MD1008A is designed for various applications including science education, parent-child activities, and simple metal detection. It is a perfect gift for children, encouraging them to cultivate an interest in treasure hunting. Other information Detection indication: Audio alarm and LCD display signal when metal is detected. Note: The control box is