SportDOG Brand HoundHunter 3225 Remote Trainer, 2 Mile Range, with Tone, Vibration, and Static

2 mile range 7 instantly selectable levels of static stimulation in low/medium/high ranges; Option to train with vibration and tone Expandable to 6 dogs with purchase of additional SDR-AH Add-A-Dog® Collars Waterproof and submersible to 25 feet using our patented DryTek® technology Rechargeable lithium-ion batteries last 40 - 60 hours in the Remote Transmitter and 140 - 160 hours in the Collar Receiver per charge For dogs 8 pounds or larger with neck sizes 5" - 22"