8 Kinds of Reticle 5 adjustable brightness settings
Quick detach QD mount fits 20mm Picatinny rail.
USB charging cable is included for recharging (rechargeable battery not included).
Windage/Elevation adjustments
Aluminum Body with metal protective shield, Water-resistant and shockproof
Features:
8 Kinds of Reticle 5 adjustable brightness settings. Quick detach picatinny/weaver mount. 1MOA; Low power consumption for long battery life
Quick detach mounting system. Aluminum Body with metal protective shield
Unlimited eye relief. Water-resistant and shockproof. Parallax corrected. Wide field of view. Dimension:108x53x62mm. Weight:8.6oz
Compatible with magnifiers or NVGs. Clocking Windage/Elevation adjustments. USB charging cable is included for recharging (rechargeable battery not included). Light automatically turn off after fully charged. 
Objective Lens Diameter:39 mm
Battery Type: LIR2032 (include)
Length:4.3 in
Weight:8.6 oz
Additional Features:Multi-Reticle