3-Step Brightness Adjustment with Easy-To-Turn DialEnsuring high performance in day and night operationIncrease aiming confidence & Reducing miss-fireShort Footprint with protective rubber flap covers allow this unit to brave the harshest situationsInclude Flip Up Covers"TOOL FREE" Windage & Elevation AdjustmentMount on any 20mm weaver standard railRuby Anti-glare reflective coating on front facing lens also give good optical clarityParallax Free with Shock Proof, Weather Proof, & Fog ProofEasy Hook Up, Install in just secondsOfficial Tokyo Marui ProductNOTE: This sight is for Tokyo Marui, ICS, G&P, TOP, Classic Army, G&G Gun ONLYItem Weight (gram) 100Major Color BlackLength 110mmRDS Color RedMagnification 1xBuilt Material AluminumManufacturer Tokyo Marui / TMDisclaimer The scope & optical sight is specially designed for Airsoft Purpose Only.