• 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 (SDR-AXF). For dogs 8 pounds or larger with neck sizes 5" - 22".
• 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.

For parts or not working. Item is used. Does not have charger. Knob is broken. End of collar is cut. Unable to test. SOLD AS IS. Everything included with this item can be seen in the images.