Edu-Toys  Metal Detector With Beep Alert Introduce your little Treasure Hunter to the excitement of Metal Detectors Metal Detector Extends from 24.5 inches to 39 inches Sensor ring folds and swivels for easy storage Found metal objects illicit an audible beep from detector. LED indicators included in handle For ages 8-12 - 9 volt battery needed, not included Designed to be easy to use Find hidden treasures Durable ABS Body High-Low Sensitivity Adjustment Has a beep alert