The SportDOG Brand SportTrainer 1825X boasts a 1600 metre range - one of the furthest in the SportTrainer family. The 1825X model also supports the highest number of dogs - up to 6, with purchase of Add-A-Dog collars. Designed in the field by hunters and dog trainers just like you, the SD-1825X allows you to communicate with your dog using tone, vibration or one of the 21 levels of static stimulation. The remote is designed to be operated without having to look at it, needing only a slight movement of the dial and the push of a button to deliver a stimulation. This customisability and ease-of-use ensures your training is consistent, immediate and tailored to your dogs unique personality.