This is the user manual of Philips QT4019, QT4021 electric shaver
This manual explains the safety precautions for using the Philips beard trimmer, including warnings about water exposure, proper handling of the adapter, and supervision of children. General information covers the automatic voltage selector (100‑240 V) and the low‑voltage output (<24 V).
Operating instructions describe how to charge the device (≈10 hours for a full charge), use the trimming comb with selectable length settings, trim without the comb, and operate the trimmer while plugged in. Maintenance sections cover cleaning, replacing the cutting unit, battery removal, and proper disposal or recycling.
No, the trimmer must never be immersed in water or rinsed under a tap.