LaserMax CenterFire, Laser, Fits S&W Shield, Black Finish, Trigger Guard Mount CF-SHIELD
Specifications:

Wavelength	650 nm
Dot Size	Adjustable
Power	<5mW
Range
Weight
Battery	CR1/3N 3V Lithium (1)
Laser Color	Red
Firearm Fit	S&W M&P Shield 9/40
Reticle
Power Switch
Adjustments
Finish	Black
Mount Type