This remote beeper does not depend on a training collar to operate. The transmitter can operate the remote beeper by itself, the training collar by itself or both together if you need them. Original collar receiver/remote beeper for the UplandHunter SD-1850. Also compatible with SportDOG SD-1800, SD-2000, SD-2500 and SD-3000 remote transmitters. SportDOG Brand® - gear the way you design it!

Features:

• Collar Receiver and Remote Beeper are waterproof
• Various beeper tones and modes
• Collar uses replaceable, rechargeable NiMH battery
• Beeper uses disposable CR123A battery
• Low battery detect feature
• Lifetime Limited Warranty - click here for additional details