SportDOG Brand SportHunter 1825X Remote Trainer - Static Collar with 1 Mile Range - Rechargeable Dog Training Collar with Static, Vibrate, and Tone - SD-1825X

1 mile of range 21 levels of static stimulation and the option to train with vibration and tone Expandable to 6 dogs with purchase of additional Add-A-Dog® collars (SDR-A) Waterproof and submersible to 25 feet using DryTek® technology Rechargeable lithium-ion batteries For dogs 8 pounds or larger with neck sizes 5" - 22"