Check the listing for details. D.T. Systems Baritone Beeper Collar With FREE OPR Water Bottle. Condition: New. Listed at 130.99 USD. The BTB-809 beeper collars are light weight and built to withstand the rugged conditions and heavy cover dogs often encounter. The use of both the sound booster element and the long duration, double beep make the BTB-809 collars much easier to hear at long range. (Actual yardage will vary depending upon the relative position of yourself and your dog and other variables such as cover and wind speed and direction). Features:Easy Operation - One touch push button systemLong Range Audibility - Audio booster elementReliability - State-of-the-art microcomputer technologyTwo Operating Modes - Run/Point, or Point onlyRechargeable Batteries - Charger includedCompletely WaterproofRemote Control Activation - 250 yard rangeFREE Out Rider Pro Water Bowl