Product Information100% brand newSighting or zeroing in your iron sights， red dots， or scopes quickly and easily.Minimum Range for Sighting: 15 ydsMaterial: High Quality BrassMaximum Range for Sighting: 100 ydsOperation: On/Off End CapLaser Type:Visible Red LaserPower: < 5mWWeight：34gBuyer note：Battery not included because of the strict Customs will confisicate it! so no battery!Package Includes:1 x CAL: 6.5x55 Laser Bore Sighter