Garretts ALL NEW CSI 250 is simple to operate, yet features unparalleled performance for budget-minded departments and agencies. It includes superior technology such as a graphic target ID, sensitivity adjustment and notch discrimination to accurately identify the type of target detected. The CSI 250 also includes the 6.5 x 9ACEA'ACEA' PROformance searchcoil, which covers more ground per sweep and is submersible. This advanced metal detector also features a Target ID Legend designed to identify targets commonly sought in crime scene investigations. Features: Graphic Target ID Cursor (12 Segments) Discrimination: Accept / Reject Notch Electronic Pinpoint Sensitivity, Depth Adjustment (8 Settings) Battery Condition Indicator Depth Indicator Headphone Jack Interchangeable Searchcoils Large LCD Display Microprocessor Controlled Push Button Controls Clear Speaker Tone Tone ID, 3 levels Touch-n-Go Operation Specifications: Operating Temperatures : OACEA'A...A F (-17ACEA'A...A C) to 130ACEA'A...A F (54ACEA'A...A C) Storage Temperatures: -20ACEA'A...A F (-28ACEA'A...A C) to 150ACEA'A...A F (65ACEA'A...A C) Length: 42ACEA'ACEA' to 51ACEA'ACEA' (1.06m - 1.29m) Weight: 2.7lbs (1.2kg) Operating Frequency: 6.5 kHz Searchcoil: The ACE 250 metal detector includes the 6.5x9ACEA'ACEA' PROformance submersible searchcoil. Arm Cuff: Adjustable, with strap Touchpad Controls: Power, Pinpoint, Elim (Eliminate), Discrim (Discriminate), Sensitivity, Mode Battery: Four (4) AA batteries provide up to 25 hours of operation. Optional NiMH rechargeable battery provides between 6 and 8 hours on each 12-hour recharge. Warranty: Limited, 24 months parts and labor Search Modes: All-Metal Custom Settings: Sensitivity / Depth Full Range Notch Discrimination