[HOLOSUN] HS510C-FDE Open Reflex Red Circle Dot Sight Solar Model Dot Sight FDE

Solar Failsafe (uses solar power to keep the LED lit when the solar power runs out, automatically adjusts brightness to suit the environment) Shake Awake (dot automatically wakes up even with the slightest movement rather than in sleep mode when stationary) Multi Reticle System (reticle selection function appropriate to the environment) Multilayer Coatings (maximum light transmittance, highest lens durability and glare reduction) Lifetime warranty (see product description)