Question 1

Responses are unclear. Is it battery or houseline powered? Can you set the display to be always illuminated?

Accepted Answer

Jigo,the answers to your two questions are: "Both" and "Yes" & "no". The clock can be battery powered only, meaning the face display of time, seconds and date, etc. is constantly shown but NOT backlit, unless the snooze/light bar on the top of the clock is pushed, which will turn on the face display back light for a few seconds, so you can read it in the dark. Using only the batteries for power, the lamp in the projection tube which causes the time to be projected on  the wall or ceiling is also off, unless the snooze/light is pushed, which will not only light the face display back light for a few seconds but also light the lamp in the projection tube for a few seconds, which will allow the time to be displayed on the wall or ceiling for the same few seconds. However, if you also use the included AC power supply, the projection tube lamp will remain constantly on and the red projected time display will always be seen on the wall or ceiling, if the room is dark enough. However, the face display back light will still not come on until the snooze/light button is pushed and will still only stay on for a few seconds. I hope this info. will help to clarify how this clock is powered and which of the two displays can be set to be constantly on.       Milt

Question 2

How many snooze cycles does this clock have?  I know it goes in 8 minute cycles, but how many times can you press snooze?

Accepted Answer

I just tested snoozing it at 16 times (136 minutes since the alarm went off) and it is still snoozing.

Question 3

how large is the display on the ceiling, I wear glasses and some Of the projection clocks I CANNOT READ AND HAVE SENT BACK

Accepted Answer

I wear glasses as well, I cannot see the display at all, however I have no trouble with the projection.. As far as size, I have no way to give you a reference

Question 4

if the power goes off in the middle of the night will the alarm still go off in morning?

Accepted Answer

Yes, presuming that the batteries are in and working. When the electrical power goes off, the ceiling projection light goes off but the clock, face illumination and alarm still work.

ASIN	B00005B0BE
Additional Features	Alarm, Projection Clock, Snooze
Alarm Clock	Yes
Batteries are Included	No
Best Sellers Rank	#8,532,038 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #275 in Projection Clocks
Brand	Oregon Scientific
Brand Name	Oregon Scientific
Clock Form	Multi Display
Color	Blue
Customer Reviews	4.2 out of 5 stars 1,244 Reviews
Dial Color	Blue
Display Type	Digital
Frame Material	Plastic
Indoor Outdoor Usage	Indoor
Item Dimensions W x H	4.25"W x 4.5"H
Item Type Name	Oregon Scientific RM313PNA Self-Setting Projection Alarm Clock with Indoor Thermometer, Blue
Item Weight	8.96 ounces
Manufacturer	Oregon Scientific
Manufacturer Part Number	RM313PNA-B
Manufacturer Warranty Description	90 day warranty.
Material Type	Plastic
Model Number	RM313PNA-B
Mounting Type	Wall Mount
Number of Batteries	2 AA batteries required.
Number of Items	1
Operation Mode	Atomic
Power Source	Battery Powered
Product Dimensions	4.25"W x 4.5"H
Room Type	Bedroom
Screen Size	3 Inches
Shape	Rectangular
Size	4.25 in. x 2.5 in. x 4.5 in.
Smart Home Compatibility	Not Smart Home Compatible
Special Feature	Alarm, Projection Clock , Snooze
Style	Alarm Clock + Thermometer
Style Name	Alarm Clock + Thermometer
Theme	Plain
UPC	803982964755 132017973135 012304461067 787543777803 044112784250 734811301246 734811206039 872182760849 163121092887 791769493997 521375539945 734811166081 163121092863 806291835983 851975709258 898029627724 689076561310 172302617108 809185305807 132017918518 956258792382 731598326486 014445549796 611101596530 807320370468 763615967945 172302617115 031112450148 858783071560
Unit Count	1.0 Count
Watch Movement	Automatic

Oregon Scientific RM313PNA_BL Model RM313PNA Projection Atomic Alarm Clock, Indoor Thermometer, HiGlo Electro-luminescent Backlight, Crescendo Alarm with Snooze Function, Blue

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