PlexiDor Electronic Collar Key for PlexiDor PDE DOOR and PDE WALL units. Vary is 12 to 15 Inch. The RFID key easily snaps onto your pets collar. PDE units include 2 collar keys; this item will also be purchased for an extra pet or in its place key.
No batteries wanted
Weighs just 0.4 oz
Snaps onto pets collar
Collar secret is water-proof
Made in the us; 5 year limited residential warranty