SportDOG SportTrainer 575 Electronic Collar - Orange - The SportDOG Brand SportTrainer 575 is designed for field training and hunting with close-working dogs. Featuring an easy-to-read OLED screen, you can view the selected dog, static stimulation level, and battery status with just a glance. This, combined with large Dog 1 / Dog 2 buttons to easily toggle between dogs, makes the SD-575E especially suited for multi-dog hunting situations. The remote trainer can be expanded to control up to 2 dogs with a SportDOG Add‑A‑Dog Collar Receiver. 10 levels of both continuous and momentary static stimulation, as well as vibration and tone options allow you to customize this system to fit any situation or dog’s temperament. Collar Receiver charges in 2 hours, lasts 50-70 hours per charge Remote Transmitter charges in 2 hours, lasts 20-40 hours per charge For dogs 8 pounds or larger with neck sizes 5in - 22in Waterproof and submersible to 25 feet using DryTek technology