Replacement Collar For 927 collar Large dogs This device trains dogs to

This device trains dogs to stop nuisance barking (boredom and attention-getting barking) but is designed to have no effect on instinctual or protective barking

Both transmitter and receiver use built-in 300mAh batteries for lasting performance

This is a dog training collar for 2 dogs

Front clip for discouraging pulling and back clip for relaxed walks

- Not compatible with other Masbrill systems or models

Replacement Collar For 927 collar Large dogs This device trains dogs toReceiver Collar for Model 927 Only No Accessories Included This link is for purchasing the receiver collar only (Model 927). Transmitter, charger, and other accessories are not included. Ideal for users who need a replacement or additional receiver collar. Please contact customer service before purchasing to confirm compatibility.