Question 1

is this an actual green light or simply a light with a green filter on the front?

Accepted Answer

The outside lens is actually clear, ...........but it also looks like the bulb itself is clear or white.........I believe it gets its green hue from a little green square BEHIND the bulb. That's the best I can tell.

Question 2

What wavelength does it emit? looking for 660 nm.

Accepted Answer

no, it's not 660nm, the wavelength is from 620nm-625nm.

Question 3

how long does the battery last?

Accepted Answer

The standard AA battery lasted several hours and was still strong when I replaced it with the 14500 battery which has been in for a week and used 5 hours and is still strong as new. I picked up a rechargeable 14500 kit on Amazon it is working great, good investment to pair up.

Question 4

I am confused!  this is advertised as a uv (ultraviolet) light but reviewers talk about it being red or green!  what's going on?

Accepted Answer

Yeah, you see that a lot now. Sellers sell multiple versions/styles/colors of a product from a single page. It can be very frustrating when it's completely different styles of a product, like shoes. But, I have a red and a white version of this flashlight and they are great! I just placed an Amazon order. I wish I would have remembered to order the ultraviolet one.

The body is apparently made of aluminum. The cree LED beam is bright and can be focused down to the square shape of the LED. When the beam is wide it provides a clean consistent circle of light, unlike old incandescent bulbs that cast overlapping rings of light and shadows.

The red light is good for when you need subdued light, that is, when either you don't want to give away your position, like in the military, or when you just don't want your eyes to have to readjust to the dark when you turn off the light. It's good for trips to the bathroom in the middle of the night.

I don't know how many lumens the lights are offhand, but they are pretty bright. I bet the ultraviolet light will make a room pop! I have some small one LED UV keychains that I got on Amazon and that one little LED lights up the room.

Get the UV light and review it.

ASIN	B08QMRXS9X
Additional Features	Rechargeable
Battery Description	Different types (e.g. Lithium-Ion, Lithium, Alkaline)
Best Sellers Rank	#75,284 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #879 in Handheld Flashlights
Brand Name	WAYLLSHINE
Color	Multicolored Light
Customer Reviews	4.4 4.4 out of 5 stars (1,115)
Finish Types	Painted
Included Components	Red LED flashlight, Green LED flashlight, Blue LED flashlight, UV LED flashlight, White LED flashlight
Item Dimensions D x W x H	3.5"D x 0.8"W x 3.5"H
Item Weight	2.1 ounces
Light Output Maximum	200 lumens
Light Path Distance	150 yard
Light Source Special Features	Rechargeable
Light Source Type	LED
Manufacturer	WAYLLSHINE
Manufacturer Part Number	SK68-ColorLight-3M-5PC-MultiColor
Model Number	SK68-ColorLight-3M-5P-MultiColor
Mounting Type	Handheld
Number of Items	5
Number of Light Sources	5
Power Source	Battery Powered
Recommended Uses For Product	night hunting observation, night fishing, pet stain detection, anti-counterfeit symbol inspection, hotel room inspection, scorpion detection at night, fuel or gas leak detection, camping, hiking, cycling, riding, home emergency
Set Name	Multicolored Flashlight Set
Shape	Cylindrical
Size	3.5"0.8"/9CM2CM
Style Name	Compact
UPC	607841994552
Unit Count	5 Count
Water Resistance Level	Not Water Resistant
White Brightness	200 lumens

(Pack of 5 Multicolored 3-Mode Flashlight: Red, Green, Blue, 395 UV, White LED Light Flashlight

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