With a clear display, this easy to use alarm clock from Constant provides excellent value for money. It has a compact design and the brightness levels are just right for night time so it won't disturb your sleep. Mains powered however you can insert a 9 volt battery in the unit. Should there be a power failure the clock will continue to function. You will not see this however because the battery does not illuminate the clock display. When the power is turned on again the display will indicate the correct time. Replace the battery once a year.

• Height 4.5, Width 11, Depth 10.5cm.
• Digital display.
• Beep alarm.
• Snooze function.
• Batteries required 1 x 9V (not included).
• Manufacturer's 1 year guarantee.