A:AnswerWhen the unit is powered by the built-in battery, the backlight of the display
turns off in about half a minute after operation.
when connected to the electrical grid, there are 3 levels of permanent illumination: high, middle and low or select the position OFF.
A:AnswerHi bobe, Yes, the display brightness can be adjusted. Kindly refer to this link for more information (Setting the Brightness of the Display):
https://www.sony.com/electronics/support/res/manuals/4587/45879147M.pdf
~Ralph
A:AnswerHi Gearhead, No, it doesn't have a snooze feature. You may refer to this link for more product information:
https://www.sony.com/electronics/support/res/manuals/4587/45879147M.pdf
~Ralph
A:AnswerHi Maria, the power required for this unit is 120V AC. Please see specifications on the link provided below:
https://docs.sony.com/release//Manual_4587914711.pdf
Thanks, _Bob
A:AnswerOnline only for purchase, but can be shipped to store or to your home.
Can be returned to any Best Buy store rather than shipped back, if necessary.
A:AnswerHi Myly5100, Yes, when operating the unit on the built-in battery, it is recommended that you remove the AC adaptor from the wall outlet and the DC IN jack. Disconnect the plug of the external power source before operating the unit. Thanks! ^Ron
A:AnswerHi, maria, This unit has a built-in lithium-ion rechargeable battery. To charge the battery, the unit needs to connected to AC 120 V, 60 Hz power supply using the supplied AC adaptor. For more details, kindly visit the link below:
https://docs.sony.com/release//Manual_4587914711.pdf
Regards,
Vincent