What is difference of green laser vs red?

I was trying to decide between red or green on an EO-Tech reflex sight for my ar10. What I found out is as we age and our eye sight worsens, especially with astigmatism, the red is easier to see. I have a Vore-Tex red/ green dot on an ar15 and just a couple years ago I always ran it on green. Now at 45 unless I turn the brightness up fairly high the red is easier for me to see.

How many slots are needed on picatinny rail?

Basically just one. The entire body of the Fire Fly is an inch and a half long. The span of the rail mount is 3/4". Hope that helps.

How long will the battery last without charging if it’s not being used?

I’ve had mine over 90 days and it’s still on factory charge. It seems to have a very long stand-by battery life. I check the laser and light every night I install it on Gustav the Glock.

Will this fit a Springfield XD 9 subcompact?

2021 update. Underside of the XD is slightly (ever so slightly) rounded. The V2 does not sit flush or have a sturdy fit. Wonderful light/laser, just not a good fit with the XD models

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Tacticon

Product ID: 124783418

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Details

Brand
Tacticon
Color
Green Laser
Style
Combat
Item Weight
28.6 Grams
Material
Polymer
Objective Lens Diameter
30 Millimeters

🎯100m pinpoint accuracy

💡220 lumens tactical brightness

🔋Magnetic rapid recharge

Description

🎯 Lock, Light, Lead – Own Every Shot with Tacticon Firefly V2

ILLUMINATE DOMINATE - 220 lumens of tactical light to brighten your path and your advantage.
PINPOINT PRECISION AT 100 M - Lock onto targets with laser-sharp accuracy, day or night.
VETERAN TESTED RELIABILITY - Combat veteran-owned quality you can trust in critical moments.
UNIVERSAL RAIL COMPATIBILITY - Seamlessly mounts on pistols, rifles, and shotguns with Picatinny or Weaver rails.
MAGNETIC RECHARGE ZERO DISRUPTION - Charge on the go without losing your sight alignment.

The Tacticon Firefly V2 is a compact, polymer-built tactical laser and flashlight combo featuring a powerful green laser with up to 100 meters of accuracy, 220 lumens LED brightness, and a magnetic charging system that maintains zero while powering up. Compatible with all Picatinny and Weaver rails, it’s designed and tested by combat veterans to deliver reliable performance for pistols, rifles, and shotguns.

Specifications

Brand	Tacticon
Color	Green Laser
Style	Combat
Item Weight	28.6 Grams
Material	Polymer
Objective Lens Diameter	30 Millimeters
Compatible Devices	Handgun, Rifle, Shotgun
Mounting Type	Picatinny/Weaver
Night vision	No
Manufacturer	Tacticon
UPC	736283219951
Part Number	FGL20
Item Weight	1.01 ounces
Item model number	Firefly V2
Batteries	Unknown batteries required. (included)
Included Components	Flashlight sight, magnetic charger
Special Features	Adjustable, Magnetic Charging
Power Source	Battery Powered
Batteries Included?	Yes
Batteries Required?	No
Type of Bulb	Led
Luminous Flux	220 lumen

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