Crimson Trace Corporation Laserguard, Green Laser, For Glock 42 and 43, Black Finish LG-443G
Specifications:

Wavelength	515-532 nm
Dot Size	.50" @ 50ft
Power	5mW
Range	50ft
Weight
Battery	1/3N Lithium
Laser Color	Green
Firearm Fit	Glock 42/43
Reticle
Power Switch	Pressure Pad
Adjustments
Finish	Black
Mount Type	Trigger Guard