Upgrade your sights with the Viper Universal Sight Light. With 3 stages of brightness and a rechargeable design, easily switch between low, medium, and high settings with the push of a button. The included adaptors make it universal for 1/4", 7/16", and 3/8" sights. No more wasting time and money on batteries - recharge via micro-usb. Lasts over 4 hours on high setting.
