PetSafe Extra Wireless Fence Receiver Doors The duration of the vibration

The duration of the vibration is random

and Non-correction long and short training probe covers

Thick fiber-filled pad provides comfort and warmth

creating a bi-metal conductor that acts as one and is corrosion resistant

PetSafe Extra Wireless Fence Receiver Doors The duration of the vibrationThis extra receiver collar can be used to add another dog or as a replacement collar to the Wireless Fence Containment System (PIF 300). Add an unlimited number of pets to your system. This collar features 5 adjustable levels of static correction. Compatible with PetSafe Wireless Containment System (PIF 300 system, IF 100 transmitter) and Stay+Play Wireless Fence (PIF00 12917). Features: For dogs 8 pounds and up Waterproof collar fits neck sizes 6 28