Check the listing for details. Tactical M300 M300B MINI Scout Light Outdoor Rifle Hunting Airsoft Flashlight US. Condition: New. Listed at 35.99 USD. M300B Mini Scout Light Tactical Rail Light Rifle Hunting Flashlight Constant / Momentary Output for 20mm Picatinny Rail SPECIFICATIONN Attention:please install the battery of this product from the front BASIC DATAFLASHLIGHT DATA Color: Black/Dark Earth Length: 4.09 inches (104mm)Max Output: White light 400 lumens 3w Bezel Diameter: 0.98 inches(25mm)Tactical Runtime: 1.5 hours Weight: 6.70ounces(190g)Battery type: 1x 3V CR123A or16340(Not included) Material: Aluminum Integrated 20mm rail FEATURESN High-performance LED is regulated to maximize tactical-level output and runtime per set of batteries. Switching: click-on/off tail cap and pressure-activated tape switch (both included). Mounting system-Integral thumbscrew clamp for Picatinny rails. Weatherproof-O-ring and gasket sealed. Construction-High-strength aerospace aluminum with Mil-Spec anodizing; coated, tempered window. PACKAGE 1 x M300B flashlight 1 x tape (7" cable) Switch 1 x pushbutton Switch 1 x magic tape FAQ: Q:What battery is used in this product? A:1 piece CR123A or 16340. Q:Why can't my product install CR123A battery? Is it not using a 123A battery? A:This product does use CR123A battery, but we need to install the battery from the front of the product. Q:How many function does this product have? A:This product has Constant output and Momentary output. Q:Can I use the constant function when I use the tail switch? A:NO,our tail switch can only control the Momentary output.(if you want to use the tail switch to control the constant output, you can buy another switch in our store.) If you find that there is no LOGO when you receive the product, please remove the sticker on the LOGO M300A M300C M600 M300V M600V M300V IR M951 M952 M720V WML TLR XC1 XC2 SBAL DBAL APL X300 WML