Reviewed by Adas - 30th Jan, 2019 Fundamentally flawed What a shame!! As others have said in their reviews, its bright, robust, fits in a ball launcher and stays on for quite some time (5 mins and another 5 mins pulsing). The battery change process is simple and the estimated 35hrs use is about right. I do think in 2018/19 that this could have been a rechargeable battery with the USB power connector internally protected. So with so much good, the reason its only getting 1 star is that you're pretty much guaranteed to lose it. Its clearly been well designed in many areas so why then has the scenario of the 'battery dieing' been blatantly overlooked. Thats right when the batteries inevitably run out, you get no warning at all, no pulsing, no warning light, no nothing!! This oversight makes this completely useless for actually using in the dark which makes this useless as a product. DO NOT BUY!! Maybe then Nite-ize will go back to the drawing board with this.