The Zecto Drive Max Rear is a high visibility light with three ultra bright LEDs offering up to 250 lumens and eight output options (including a super-visible Daytime Flash mode). 24 hour max runtime. It is constructed from a lightweight and durable Composite Matrix body paired with a machined aluminum faceplate. The intelligent Power Indicator displays battery runtime and provides increased side visibility. The patented versatile 2-in-1 Clip-On System straps to bars or clips to loops. The light is Micro-USB rechargeable.