In addition to being an Authorized Retailer with Essential Pet Products, you must also be a Radio Systems Corporation Authorized Retailer to purchase this item at wholesale prices. Please contact us for information on becoming an Authorized RSC Retailer.E-collar that features 3/4 mile range (1320 yards)Train up to 6 dogs with the same handheld remote with purchase of additional Add-A-Dog Collars (SDR-A)Collar Receiver fits dogs 8 pounds or larger with neck sizes 5" - 22"Handheld Transmitter features an easy-to-read OLED screenBoth the Handheld Transmitter and Collar Receiver feature our DryTek technologyTransmitter and Collar are waterproof and submersible to 25 feetRechargeable lithium-ion batteries charge in 2 hours and last 140-160 hours per chargeThe Handheld Transmitter and Collar Receiver both feature a low battery indicatorHandheld Transmitter button functions can be customizedOwners ManulThe SportTrainer 1275 gives you long distance control of your dog and features an easy-to-read, bright OLED screen that clearly displays the selected dog, static stimulation level and mode, and battery status. Large plus/minus buttons make toggling among dogs and changing stimulation levels a breeze, making the SD-1275 especially suited for multi-dog training.