The 3500NCP is called the Super X because of its X-tra features, its X-ceptional range, and its design for X-treme training situations.
Fully waterproof One-mile range. 127 levels of nick and continuous stimulation. Non-stimulating pager/vibration feature. Rheostat dial allows for gradual adjustment of stimulation. Mild stimulation mode for highly sensitive dogs. Transmitter LCD window displays intensity level and a three bar battery life indicator. Antimicrobial plastic collar casing. Surgical stainless steel contact points to minimize irritation to the dog's skin. Includes two-hour quick charge Lithium-Polymer batteries, belt clip and lanyard. Also available in a two-dog system: 3502NCP.
2 yr. mfg. warranty, 30 day money back guarantee. Dogtra 3500 NCP Super-X