Aimshot Ultralight Trigger Guard Mounted Laser for Ruger LCPII is water resistant, strong, lightweight and made of durable nylon reinforced with carbon fiber weighing only .73oz. It's compatible for ambidextrous safety. The laser has a 650nM wavelength with <5mW output power and runs on a 1 CR1/3N battery or 2 LR44 batteries with 2 hours continuous usage. Fits Sig P238.Looking for an ultra compact red laser specifically designed for the Sig Sauer P238 pistol that doesn't break the bank. Look no further. We have developed a trigger guard mounted red laser for the concealed carry pistols that are second to none. Nothing to snag on and easy to activate, the Sig Sauer P238 red laser makes it easy to point and shoot.. Features: Compatible for ambidextrous safety Functional design for pocket or holster carry Battery 1 CR1/3N or 2 LR44, 2 hr continuous usage Strong, lightweight, and durable, nylon reinforced with carbon fiber weighting 0.62 oz Water-resistant