The SDF-R allows you to replace an existing receiver or add another dog to your training system. This collar receiver features four adjustable correction levels, with beep and vibrate-only modes. An "Anti-linger" feature prevents dogs from constantly testing the boundary of your In-Ground Fence System. The SDF-R is compatible with the SD-400, SD-400S, SD-400CAMO, SD-800, SD-800CAMO, SD-1200, SD-1800, SD2000 and SD-3200.
Waterproof collar receiver with 9-volt replaceable battery
Tone-only and vibration-only modes
Four adjustable correction levels
Low battery detect feature
DISCLAIMER: The results described on the testimonials on this site, are the individual experiences and personal opinions of those who have purchased and used the products. These testimonials are not intended to make any claims that the products can be used to diagnose, treat, mitigate, cure or prevent any disease or medical condition.