20 Mm Rail Red Dot L2030

Very Lightweight, Non-Controllable Picatinny Rail, Mainly Can Be Used on Picatinny Rail, On/Off Switch, Adjustable Power: <5mw Voltage: Dc 4.5v, 3 Lr41 Wavelength: 650nm Effective Distance: At Night 300 Meters Weight (Net): 30g (1.1oz) With Non-recoverable Picatinny Rail. Size: 28x26mm, Mini Style T6061 High Grade Aluminum Alloy in Beautiful Tactical Matte Black Color On/Off Button Located Behind Red Sight Winder And Height Can Be Adjusted With the Included Hex Tool Is Shock Resistant And Can Be Used On A Real Surface Fire Indicator Battery Life &amp;uuml;: 2-3 Hours ÇOperating Temperature: -10° to 45 ° Dot Size at 10 Meters: <2 Mm Others: Wonderful Laser Engraved Letters, Excellent Oxidation Effect