[Strong beam]: With a clear and bright beam, the sight can work well in all weather conditions, helping to locate in most equipment. [Improve Accuracy]: High aiming accuracy, provides an accurate reference to zero optical or iron sights, reducing the waste of cartridges and scales, saving time and money.[Large push button switch]: Large and sensitive push button switch, just lekko press to turn on/off and conveniently control it. Includes 1 upgraded CR2 battery that ma longer life than others[9 adapters for more models]: Comes with 9 hole adapters, the bore sight can perfectly fit 0,17 to 0,54 caliber, rifles, pistols, pistols and scopes.[Brightness enhancement]: Class: IIIA, maximum output power:Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store