from the producer
truglo gobble-stopper 30mm
the truglo red-dot sight has a mainly designed reticle for turkey searching. Twin-shade reticle illumination (red and green). Illuminated ring represents a 24″ circle at 30 yards. Removable, prolonged sunshade removes glare from the the front lens. Fundamental battery and spare battery blanketed (3v-cr2032). Surprise proof against 1000g. Water-proof / fog-evidence. Unlimited eye alleviation. Huge area of view. Bonus! See-through / turn-up lens caps, optical-first-rate / all-climate. Adjustable rheostat for brightness control. Lightweight / smooth to mount. Multi-lined lenses produce more than 95 percentage light transmittance. Click windage and elevation changes. Bonus! Incorporated lanyard system prevents loss of screw-down w/e caps. Incorporated weaver-style mounting system. Lifetime limited guarantee.