The SureFlap Front Frame Upgrade Kit is compatible
with all versions of the SureFlap Microchip Cat Flap.
- The Upgrade Kit is recommended for cat flaps with serial numbers from 1 to 1001000.
- Cat flaps with serial numbers of 1001001+ already incorporate the upgrade features.
(To check the serial number of your unit, please refer to the sticker on the underside of your cat flap's battery lid).