<b>Zoomable</b><br> you can manually "zoom" the light by extending the flashlight head outward. The more you extend, the more narrow, focused, and brighter the beam will be. <br> <br> <b>Standalone flashlight</b><br> The lights can be detached from the mounting bracket quickly to be used as an emergency flashlight. <br> <br> <b>Easy Installation</b><br> The bike light set can be easily install and released, and no tools are required.<br> <br> <b>Riding safely</b><br> Guide the way with the headlight and need not worry about being knocked over by others with the taillight. <br> <br> <b>Light modes for each light</b><br> Headlights: Full brightness/half Brightness/ flashing;<br> Taillights: Constant on/flashing. <br> <br> <b>Run time</b><br> Headlights: 6hrs for full brightness and 12hrs for half brightness/flashing; <br> Taillights: 44hrs for constant on mode and 88hrs for flashing. <br> <br> <b>Water resistant</b><br> IPX4. Protected against splashing water from all angles. <br> <br> <b>Stable</b><br> Remain securely locked in position, even during off-road use.<br> <br> <b>Specification: </b><br> Length: 4.25in (head) and 4.33in (rear) <br> Diameter: 1.34in (head) and 1.08in (rear) <br> Material: high-quality metal aluminum + plastic <br> Battery (Included): 3 * AAA Battery(head) + 2 * CR2032 battery (rear) <br> Bike mount holder size: 3.07in * 1.38in * 2.83in<br> <br> <b>Packing list</b><br> 1 × Bicycle headlight (white light)<br> 1 × Tail light (red light)<br> 1 × Bike light mount holder<br> 3 × AAA+2*CR2032 batteries<br> <br> <b>Note:</b><br> The product includes button cell batteries, please be cautious of this to avoid any mistaken ingestion. <br> <br> <b>About LE</b><br> Lighting EVER, abbreviated to LE, focuses on creating the best lighting experience.<br> Only high end LED and advanced optical design are adopted. Enjoy lighting with LE.<br>