Superwand 9V Metal Detector by Garrett. Optimum sensitivity: detects ferrous, non-ferrous and stainless steel weapons, contraband and other metal objects. Self-calibrating: digital microprocessor technology eliminates the need for periodic sensitivity adjustments. Elongated profile provides 8.75" scan area 360° detection coverage plus tip pinpointing for easy scanning from head to foot. Easy and convenient to use with one-touch button and three-color LED lights. Green LED light indicates ON; Amber LED indicates LOW BATTERY: Red LED indicates ALARM. Clear audible or Silent / Vibrate LED alarm signal. Rugged injection molded construction including structurally isolated coil for added impact absorption. Exceeds Mil-Std-810F (drop test) Method 516.5, procedures II and IV. Ergonomically designed grip fits comfortably in virtually any size hand. Easy ON/OFF battery cover: standard 9V battery included. Optional rechargeable battery kit available. Power switch and LEDs positioned for easy access and high visibility.