SportDOG Brand UplandHunter Accessory Beeper - Audible up to 500 Yards - Waterproof Beeper with 9 Tones and 3 Run Modes - Remote Operated When Paired with Compatible SportDOG Brand Remote Trainer This is the UplandHunter Accessory Beeper only; compatible with the SportDOG Brand FieldTrainer 425 (SD-425), SportHunter 825 (SD-825), SportHunter 1825 (SD-1825), WetlandHunter 1825CAMO (SD-1825CAMO), UplandHunter 1875 (SD-1875), and ProHunter 2525 (SD-2525) Audible up to 500 yards, the SD-BEEP can be manually operated or remotely operated when paired to any compatible SportDOG Brand E-Collar; features 3 run modes and 9 selectable tones Features DryTek technology making this collar waterproof and submersible to 25 feet; fits dogs 8 pounds or larger with neck sizes 5"-22" Rechargeable lithium-ion batteries charge in 2 hours and last 60-80 hours per charge; features a low battery indicator to let you know when to charge Detailed operating guide and a locally based Customer Care Center, reachable at 844-209-4636, provide support when you need it By designing our products in the field, with heat, cold, rain, snow, dust, mud, and wind in mind, SportDOG has become the most recognized brand in the electronic tracking and training categories, making the promise to always create "Gear The Way You'd Design It"