Garmin Dog Training Colllar & Garmin Delta Handheld Controller (Certified Refurbished) This Certified Refurbished product is tested & certified by Garmin to work like-new. The product includes all original accessories, and is backed by a 1 year Garmin warranty Garmin Delta Sport Dog Device (010-01069-21) & Delta Replacement Handheld Dog Training Device - Refurbished (010-N1069-10) Delta remote training device - using proven Tri-Tronics technology - sets a new standard in dog training 3 Ways to Train Your Dog - Delta gives you the option of using continuous and momentary stimulation, vibration or tone. Or, use all 3 in the same session The water-resistant (IPX7), rugged design works for all dog breeds and all coat lengths.