Garrett Pro-Pointer AT Z-Lynk transmits to Garrett MS-3 headphones or Garrett Z-Lynk wireless kits. Unique Features: One-Press Syncing to Garrett Z-Lynk wireless receivers. Wireless Convenience: Hear both detector and pinpointer alarms in your headphones, even in noisy environments (beach, high winds, congested urban areas, organized hunts). Features: Fully waterproof to 20 feet with orange color for added visibility underwater. Maximum Sensitivity for improved detection of nuggets and other small targets. Choose from three Sensitivity levels. Fast Retune: Quick button press instantly tunes out environment or narrows detection field for precise pinpointing of larger targets. Retuning allows user to quickly: Shrink detection field to precisely pinpoint large targets Tune out mineralized ground, wet beach sand, etc. Help gauge target size/distance Help identify edges of large target Pinpoint multiple targets versus one large target signal Lost Pro-Pointer Alarm: After 5 minutes with no button presses, the pinpointer emits periodic warning chirps. Automatic power off after 60 minutes of warning chirps; saves batteries. Simple, single-button operation for Power, Retune, Sensitivity adjustment, and Stealth Mode. Ruler in Inches and Centimeters molded into side of pinpointer to judge target depth. Lanyard Attachment Loop molded into side of pinpointer. New power button is easy to operate even with gloves. Other Pro-Pointer AT Z-Lynk Features: Patented Proportional Audio/Vibration Patented scraping blade for searching soil Twice the battery life of other pinpointers with LED lights. Pinpointing tip and 360 detection area LED Flashlight for low light uses. Includes woven belt holster and 9-volt battery. Large power button Specifications Specifications Model Name: Garrett Pro-Pointer AT Z-Lynk? Product Number: 1142200 Operating Temperatures: -4F (-20C) to 130F (54C) Operating Frequency: 11.5 kHz Waterproof Rating: 20 foot (6 meter) maximum depth; IP 68 Tuning: Automatic or manual retune Indicators: Proportional audio/vibration pulse rate Controls: Power, Retune, Adjust switch Dimensions: Length: 9" (22.9 cm) Thickness: 1.5" (3.8 cm) tapered to .875" (2.2 cm) Weight: 6.5 oz. (0.2 kg.), with battery in Battery: Single 9V (included) Battery Life: Carbon: 16 hours Alkaline: 30 hours Rechargeable: 8 hours Warranty: 2 Years, Limited Parts/Labor Patent Information: US 7,575,065; D583,261