The Garrett SuperScanner metal detector has been a long-time favorite of law enforcement professionals around the world. The SuperScanner metal detector virtually eliminates the need for pat downs during weapons screenings, saving patrons from embarrassment and helping to protect police officers from needles and other harmful paraphernalia. The SuperScanner metal detector features a sensitivity reduction switch to help minimize rebar interference while scanning at ankle level. Large scan surface of this metal detector enables quick and thorough scanning. The Garrett SuperScanner metal detector uses a 9-Volt battery. Battery included.