The KTV Drive+ Rear is a compact yet powerful rear light that ensures optimal visibility and safety on your rides. With a maximum output of 40 lumens, an impressive 45-hour runtime in Femto mode, and six different output modes, including Daytime Flash, this rear light provides reliable illumination Max 40 lumens / 16-hour runtime in Femto mode Daytime Flash mode Wide Angle Optics: 270Adeg of visibility Aero and round seatpost compatible design IPX7 Waterproofing standards Integrated USB stick for cable-free recharging 400 mAh battery capacity Position: Rear Light Type: LED Bracket: Silicone Strap Rechargeable: Yes Dimensions: 60 x 41 x 64mm Weight: 45g. Color: Black