Crimson Trace Corporation Laserguard Pro, Laser and Light, Fits Glock 42 and 43, Black Finish, 150 Lumen LED, Red Laser, User Installed, Instinctive Activation, 4 Modes LL-803
Specifications:

Wavelength	620-670 nm
Dot Size	.50" @ 50ft
Power	5mW
Range	50ft
Weight
Battery	CR2 Lithium (1)
Laser Color	Red
Firearm Fit	Glock 42/43
Reticle
Power Switch	On/Off
Adjustments	Windage & Elevation
Finish	Black
Mount Type	Trigger Guard