Gold Detector Aplication : Simple to operate , the CSI 250 features unparalleled performance For budget-minded departments and agencies . This advanced metal detector features a target ID Legend Designed to identify commonly sought targets in crime scene investigation CSI 250 SPECIFICATIONS AND SETTINGS * Length : 42" to 51" - ( 1.06 m -1.29m ) , Adjustable * Arm cuff , Adjustable * Weight 2.7 lbs. ( 1.2 kgs.) * Frequency-6.5 KHz * 4 AA Battery Operation ( Batteries included ) * 2 year Warranty , Limited parts/ Labor Setting : * Full Range , Multi Notch Discrimination Modes * Sensitivity / Depth Mode * All Metal or Custom Search Modes Mia 0856 9139 8333 Email : mia_ brsinaga@ yahoo.com