Handheld Metal Detector Positioning Rod Detector Waterproof GP-pointer 360 Degree Search Underground for Metal Coin Gold The GP is a hand-held metal detector designed to precisely,pinpoint metallic (ferrous and nonferrous) objects,during treasure recovery.The GP is intended for use in conjunction with a ground search metal detector to aid in the recovery of metallic targets. The GP has both audible and vibrating alarms to indicate the presence of metal objects. The alarms increase in intensity as the GP is moved closer to the metal target. With a pinpointing tip plus a scraping blade with side-scan capability, the GP is very effective in easily detecting even the smallest of metallic objects. An LED flashlight assists in dark and low light conditions. / Model name: GP-POINTER / Model number: GP / Operating temperatures: - 37 to 70°C (-31 to 158°F) / Water and dust: IP 66 standards, IEC 60529 / Tuning: Automatic / Indicators: Proportional audio/vibration pulse rate / Controls: Power switch / Alarm indication: Audio and vibration at the same time / Sensitivity: ≥3 cm (for a RMB, one Yuan coin) / Power supply: 9 V fold battery (6F22ND)(battery is not included) / Body size: 150 x 40 x 40 mm (9.05 x 1.57 x 1.57 in) / Search modes:All Metal non-motion / Target indication: Beeper, vibrate (selectable) 1, counterclockwise, open the battery cover, the section 9 v battery into battery cylinder (suggest) with alkaline batteries. Then on the battery cover, and screw clockwise.