It’s imperative to BE SEEN when running at night, and the HyperBrite Orb outshines them all! Small and lightweight, yet extremely powerful, this clip-on strobe features varying LED light modes that output up to 16 lumens of eye-catching, attention-grabbing light. Impressive for a strobe the size of a quarter! “Tiny But Mighty!” – Don’t let this little light fool you, it may be small, but it makes a huge difference on the road. Let traffic know you are there and reduce the chance of an accident BATTERIES INCLUDED - 2 x 3V Lithium 2032 – Replaceable Coin Style Battery SUPER BRIGHT – Packed with 4 LEDs – this light cast 16+ Lumens to help you stay safe WATER RESISTANT – Built for all types of weather this strobe is IPX4 – Weather resistant so you can run, rain or shine. Specs 4 LEDs – 16+ Lumens 2 x 3V Lithium 2032 – Replaceable Coin Style Battery Water Resistance: IPX4 – Weather resistant HyperBrite Orb Usage Instructions - Download the PDF Lighting Modes: Steady On – 4+ Hours Strobe – 6+ Hours Alternating – 12+ Hours Chain – 30+ Hours