Garmin Sport Pro Training Collar and Controller The Sport Pro, featuring a compact and lightweight design, enhances your ability to train and direct your dog efficiently. This device offers the flexibility to control up to three dogs simultaneously with additional collar attachments, facilitating synchronized training sessions and better focus for each canine. Features: Compact, lightweight, ergonomically designed Simple, intuitive, no look one-handed operation Quick turn dial with positive clicks when changing between 10 stimulation levels and when controlling auxiliary functions Settable BarkLimiter levels 4 training buttons for continuous and momentary stimulation, vibration and tone Specifications: Dimension Handheld: 2.1 x 5.4 x 1.4 (5.4 x 13.6 x 3.5 cm) Dog Device: 3.1 x 1.7 x 1.7 (7.8 x 4.4 x 4.4 cm) Weight Handheld: 4.4 oz (125 g) Dog Device: 3.5 oz (98 g) Water rating Handheld: Ipx7 Dog Device: 1Atm Battery Type Handheld and Dog Device: Rechargeable lithium-ion pack (included) Battery life Handheld: up to 80 hours Dog device: up to 60 hours Collar compatibility Dog Device: 3/4 (1.9 cm) polyurethane-coated nylon Correction levels continuous and momentary Autorise correction mode no Note: Only comes with one handheld and one collar.