Curtis KCR2620DUK Operation Instruction Manual page 28

Speaker Output Power: more than1.2W 2CH(when Distortion is less
than 10%)
Power Consumption: less than 20W
Dimensions: 360mm 290mm 78mm
Weight: about 2900g
Note:
Batteries only power the system clock. When main power is off, clock
and memory remains the same and the TV receiver stops playing.
Because system clock is powered by batteries, the time display will be
still correct when the TV receiver is reconnected to main power and
begins to play.
-26-