Frequently Asked Questions

How to replace?

  • Step 1: Carefully remove the protective sleeve.
  • Step 2: Open the battery compartment located at the back.
  • Step 3: Replace the old battery with a new one, ensuring correct polarity and close the compartment.

Estimate time?

It typically takes about 5-10 minutes.

What is the warranty period?

The Comark T-550K comes with a one-year limited warranty.

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