Add a second collar to your existing PetSafe Remote Trainer. Compatible with the following Pet Safe Remote Trainers : PDT00-16024, PDT00-16027, PDT00-16117, PDT00-16120 and PDT00-16123.

Features:
• TRAIN UP TO 2 DOGS AT THE SAME TIME: Compatible with the following PetSafe Remote Trainers : PDT00-16024, PDT00-16027, PDT00-16117, PDT00-16120 and PDT00-16123
• TONE, VIBRATION AND LITE STATIC STIMULATION: Features three different types of stimulation: tone (beep), vibration, and Lite 1-15 levels of static stimulation for sensitive or small dogs