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Black rectangular digital clock with large LED numbers, 6.5 inches wide

Königswerk SZ-836 digital clock 6.5 in black

SKU CH-PT7E-PJ057 MPN SZ-836

Mains-powered digital alarm clock with battery-backup memory, dual alarms, three brightness levels and indoor temperature display

  • TypeDigital
  • Size/Dimensions6.5 in x 1.5 in x 3.0 in
  • Color/FinishBlack
  • Color MappingBlack
  • Battery backup keeps alarms active during outages using 3 AAA cells
  • Three dimmer levels let you set a sleep-friendly brightness
  • Dual alarms with Mon-Sun, Mon-Fri, Mon-Sat cycles suit any schedule
  • 12/24-hour format plus temperature and date shown on big 6.5 in display
  • Plug-in power with adapter required; batteries only store settings

Compact 6.5-inch bedroom clock

The Königswerk SZ-836 is a plug-in digital alarm clock with a black finish and large numerals readable from across the room. It suits anyone who wants a clear time display on a bedside table, desk or office surface without a bright glow at night. Battery backup with three AAA cells keeps the settings and alarm active during power cuts, though an adapter is required for continuous operation.

Three-level dimmer and silent running

Brightness adjusts across three fixed levels so the display stays visible in daylight yet stays dim enough not to disturb sleep. The unit has no fan or moving parts, so it runs silently and draws only the minimal power needed for the LED display and temperature sensor. A simple wall adapter keeps it running while the batteries sit idle until a mains failure occurs.

Replaces basic plug-in clocks lacking backup

This model upgrades from simple mains-only clocks that lose time and alarms during outages. The jump is worth it if you need dual independent alarms with weekday, weekend or daily schedules plus a snooze function. Buyers who want projection, radio, smart-home connectivity or a larger display will not find those features here.

Highlights

  • Battery backup keeps alarms active during outages using 3 AAA cells
  • Three dimmer levels let you set a sleep-friendly brightness
  • Dual alarms with Mon-Sun, Mon-Fri, Mon-Sat cycles suit any schedule
  • 12/24-hour format plus temperature and date shown on big 6.5 in display
  • Plug-in power with adapter required; batteries only store settings

Specifications

TypeDigital
Size/Dimensions6.5 in x 1.5 in x 3.0 in
Color/FinishBlack
Color MappingBlack
BrandKönigswerk
ModelSZ-836

Questions about this item

How do I install the Königswerk SZ-836 and what step is often missed?

Plug the clock into a mains adapter using the power input; the adapter is not included. Insert 3 AAA batteries for backup memory only — they do not power the display.

What maintenance will the Königswerk SZ-836 need later?

Replace the 3 AAA backup batteries periodically so alarms and settings survive power cuts; the plug-in supply handles normal operation.

What limit appears first during sustained use of the Königswerk SZ-836?

The display relies on continuous mains power; if the adapter fails or power is lost, only alarm memory remains active via the AAA backup cells.

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