Dogtra ef3500 extra collarby Dogtra 

Extra collar/recevier for the Dogtra E-Fence 3500.  Add an unlimited number of collars to your Dogtra eF3500 containment system.

FeaturesFully WaterproofLow to Medium power8 intensity levels of stimulationNon-Stimulating pager/vibration option2-hour rapid charge Lithium Polymer batteries

Package Contents: Receiver with a BLACK strap, and one 5-5 splitter cable.

Model: eF3500RXManufactured by: Dogtra