1.Super highly bright LED tube ,frequent glistening or constant bright. 2.Long service life. 1.6pcs ultra bright LEDS/ 1pc ultra bright bulb.2.Power:1pc 4R25 6V battery.3.Equipped with 360°lens. 4.ON/OFF by rotation of the len. 5.Standard flash rate in 65+/- 10 FPM .6.With metal handle. 7.Lens colors:yellow, orange, blue and red available. Base colors:yellow, orange, green and red available .