The advanced circuitry of the new THD Tactical Hand-Held Detecto is highly sensitive and needs no adjusting. The unit detects ferrous, non-ferrous and stainless steel weapons, contraband or other metallic objects with ultra-quick response time. All silent operation and Red LED indicator light allow the officer to maintain tactical advantage while scanning and retrieving metallic items. Bright LED flashlight at tip of unit for low light and / or night operation. The Green LED indicates unit is on, and changes to Amber when battery needs replacing. Completely waterproof, slip-free handle and rugged construction with high-impact ABS plastic withstands demanding law enforcement applications. Internal voltage regulation circuitry ensures maximum performance. The unit's 360 degree Plus, 3/12" long detection area allows unrestricted scanning angles to the subject, especially in hard-to-scan areas. Ballistic-weave belt holster may be mounted on duty belt or in patrol car. No tools necessary for easy battery replacement- (1) 9-Volt battery included.