DT SYSTEMS IDT Plus Add-On or Replacement Collar Receiver

Maxx-range internal antenna system in collar belt smartled light on collar receiver; Lightweight, compact, completely waterproof collar and transmitter; Rechargeable Ni-Mh battery system; Built in safety shut-off system; Up to 900-feet range; 16 levels of intensity, adjustable from the transmitter; Vibration feature; Expandable up to 3 dogs