Dogtra CUE Additional ReceiverAdditional receiver collar for CUE. Collar features plastic contact points, waterproof, 400 yard range, ability to be worn vertically or horizontally and a power button. *Also compatible with iQ series, 200C and 280C Transmitters. Features Nick, Constant, Pager Vibration Medium Output Plastic Conductive Contact Points For Dogs as small as 10 lbs.