SportDOG Brand SportHunter 825X Remote Trainer - Rechargeable Dog Training Collar with Shock, Vibrate, and Tone - 1/2 Mile Range - SD-825X Is Brand New Features & Details: *1/2 MILE RANGE: Half mile range e-collar that can support training up to 3 dogs with the same remote with purchase of additional collars. For dogs 8 pounds or larger with neck sizes 5" - 22".Product Dimensions : Receiver without strap - 2.60"L X 1.30"W 1.23"D., Remote Transmitter with antenna - 3.55"L X 2.00"W X 1.24" D *NO LOOK OPERATION: Designed for ease-of-use and no look operation while offering more levels of stimulation which allows for more customized training *21 LEVELS OF STIMULATION: This electric collar offers 21 levels of static stimulation with low/medium ranges. Option to train with vibration (buzz) and tone (beep), too WATERPROOF: Submersible to 25 feet using DryTek technology *RECHARGEABLE BATTERY: Lithium-ion batteries charge in 2 hours and last 50-70 hours per charge. System has low battery indicators *INCLUDES: Remote Transmitter with Removable Antenna, Receiver on 3/4" Collar Strap, Charging Adaptor, Standard Contact Points, Large Contact Points, Lanyard, Belt Clip, Test Light Tool, Operating Guide & Basic Training Manual