Hyskore® Count Down Timer

Operation: Press the Min/Sec Button to advance Min/Sec. Advance one by one or keep depressed for rapid advance. Press Start/Stop to begin & stop cycle. To reset press both the Minute & the Second button simultaneously.

Battery Replacement: To replace the battery slide battery cover (on back) outwards, Replace with LR-44 / AG13 / 157 (or equivalent) button cell. Plus (+) side up.