PetSafe PIG19-11042 In-Ground Fence Add-A-Dog extra receiver collar Collar, including battery and manual Red light flashes when turned on, so it is working and seeking to connect. THIS COLLAR IS NOT A COMPLETE SYSTEM AND NEEDS TO BE USED WITH A COMPATIBLE TRANSMITTER Apparently, this can be converted for a cat to wear. You just need to buy a different collar from Petsafe, very cheap at around £4. Then just change the receiver over. Smoke-free home
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