| Prior Problems | Improvements |
|
Inconsistent locking and unlocking |
Incorporated new improved Infra-Red sensor/receiver into cat flap |
|
Inconsistent recognition of Infra-Red key |
Cleaned up transmitted code in key, resulting in consistent transmission |
|
Infra-Red key battery life less than 1 month |
Improved battery life to exceed 6 months |
|
Cat Flap lost memory of programmed key when batteries died or were replaced |
New program retains the memory of programmed
|
|
Only one color of key could be programmed at one time |
New program allows programming up to 4 colors |
|
Red LED required customer to count blinks to determine if "programmed" or "low battery" |
Added new bi-color LED to indicate successfully "programmed" (green), "low battery" (red) |

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