The Lezyne Zecto Drive Max 400+ Rear Light is a great way to stay visible to cars and other riders in a range of conditions. With six different flashing and solid light modes, you can achieve ideal illumination during the day, night, or variable weather. Day Time Flash Mode keeps riders visible during light hours. In Femto mode, up to 70 hours of runtime can be expected. With an IPX7 rating, you can count on the light to function like normal in variable weather. USB-C charging compatibility is also featured and waterproof. Please note that a cable is not included. To mount your light, there is a two-in-one clip strap for easy connection to a seatpost. The Lezyne Zecto Drive Max 400+ Rear Light is a great way to stay safe no matter what conditions you ride in.