100pcs 125khz Wholesale New Rfid Proximity Id Card Token Tags Key Keyfobs (Yellow)

I have a Sureflap microchip cat door. Because the microchip is between the shoulder blades, my "trauma cat" has difficulty using the cat door without an rfid tag on his collar. Because he spends so much time doing gawd-only-knows-what in the neighbors' yards, he loses his collars often. I'm not opposed to buying Sureflap brand rfid tags... Except that the name brand tags are only intermittently available AND COST $12 EACH whereas these cost 24 cents each.Oh, and the price of a new cat collar. I write my street address on the collar and sometimes neighbors return stranded ones to my porch.I remove the bigger metal ring (for keys) and loop the tinier metal ring through the nylon cat collar (in the adjustable section where there are 2 overlapping layers) so metal doesn't contact his skin.It's a little bigger and heavier than a typical cat ID tag but, given his terror at being locked in, how ants & raccoons & neighbor pets eat his outside food sources, keeping him collared with an rfid tag is a reasonable price to pay to let him have 24/7 access to the warm, food-filled indoors. It's NOT too heavy for an adult cat.

nice

Doa on arrival does not read on my agptek door entry some of them looked melted 125khz would not read the seller was very helpful with return

dont work and no numbers on there

These key fobs worked great for my ZKaccess access control system. These are a lot less expensive than the cards they were selling us as well, and our customers like the key chain better anyway! Solid win.You need to be sure your system doesn't need encrypted cards like HID and a few others.