Tactical Mini Holographic Reflex Sight Red Dot Scope Light Adjustable Brightness   General Description‎:‎ ● This tubeless‎-design reflex lens aperture provides a wide field of view‎.‎ Suitable for rapid‎-firing or shooting of moving targets besides normal shooting ● This red dot contains a separate switch with 3 steps for OFF‎,‎ LOW BRIGHTNESS‎,‎ HIGH BRIGHTNESS ● When the switch turned to OFF‎,‎ power is off‎,‎ when turning to L and H‎,‎ power is on and brightness of the dot changes from LOW to HIGH ● Adjustable windage compensation‎,‎ elevation and brightness for night and day ● Can fit multiple types of rails‎,‎ sigh cover protects from anything minor ● Slim‎,‎short‎,‎ and skinny‎,‎ looks sleek ● Sharp and clear reticle Note‎:‎ ● Looking directly at the sun through this sight may cause permanent eye damage Battery‎:‎ ● 1 x 3V lithium battery ‎(‎ CR2032 ‎)‎ and a spare battery ‎(‎ not included ‎)‎‎.‎   Product weight‎:‎ 0.1500 kg Package weight‎:‎ 0.1900 kg Product size ‎(‎L x W x H‎)‎‎:‎ 4.80 x 3.80 x 3.60 cm / 1.89 x 1.5 x 1.42 inches Package size ‎(‎L x W x H‎)‎‎:‎ 13.50 x 9.70 x 4.40 cm / 5.31 x 3.82 x 1.73 inches Package Contents‎:‎ 1 x Tactical Mini Holographic Reflex Sight Red Dot Scope Light Adjustable Brightness‎,‎ 1 x Manual in English‎,‎ 1 x Wipe Cloth‎,‎ 2 x Hex Wrench