Loud 'ding', barely audible 'dong'.

Pros: It is sleek, modern and minimalist in design. Cons: The plastic clamshell is a headache to open. The 'ding' is loud and clear, but the 'dong' is barely audible. The installation/instruction manual is for a different model. Am keeping it as I honestly can't be bothered returning it now that it is installed.

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