Can this plug into a cigarette lighter in a car?

no, you need a specific adapter... if you have a power inverter that plugs into a cigarette lighter, then you could plug the adapter in it and that would be your solution for that question.

I went to the page of this item and it says IR 12Watts

I have the 8 and 12 led ir light. can they both be run off of a single power supply, or do i need to buy a bigger amp wall wart?

There could be many variables, but here’s the basics. First verify they have the same voltage requirements. Then add the two lights wattages together. Multiply this total by 125% to find out what size wattage you’ll want for a power supply (This 125% is for continuous use, four hours or more at a time, and will help prevent your power supply from burning out early.). Optionally, you should be able to add the amperage of the two power supplies together to determine what amperage rating you would need to power the two lights from one supply. Ie. Two of these lights (Each with a 2 amp power supply.) could be powered together from a 4 amp or larger 12 volt power supply. And like Ken said, you need to be sure to use the proper sized wire. If unsure, use the same size wire provided on the new, higher amperage power supply.

Univivi IR Illuminator,850nm can anyone verfy this item lighting range is 90 deg.

Haven't actually measured it but I've got it pointed at the ground about 20 feet away and it ;lights up an area I'd estimate to be 40+ feet wide or ~90 deg.

ASIN	B01G6EDOO2
Amperage	2 Amps
Are Batteries Included	No
Best Sellers Rank	#212,552 in Home Improvement ( See Top 100 in Home Improvement ) #8,343 in Home Security Systems
Brand	Univivi
Country of Origin	USA
Customer Reviews	4.3 out of 5 stars 385 Reviews
Enclosure Material	Metal
Light Source Type	Infrared
Manufacturer	univivi
Material	Metal
Maximum Compatible Light Source Wattage	12 Watts
Model number	UN0023
Number of Lights	12
Power Source	dc
UPC	702563093917
Unit Count	1.0 Count
Voltage	12 Volts

Univivi IR Illuminator

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