Topeak Redlite 30 Rear Cycle Light with IPX6 USB Rechargeable, Touch Control Switch, and Super Bright Red LED Tail Light.

This compact, USB-rechargeable, touch-control switch, ultra-bright red LED tail light provides 30 lumens of rear visibility. It conceals mounting to the saddle shell with tool-free double-sided adhesive. The integrated magnet allows for quick, easy, and secure installation and removal. Maximum Brightness: 30 lumens. Lamp: Ultra-bright red LED. Battery: 3.7V 300mAh Li-ion (built-in). Control: Three modes: Constant - 30lm (6 hours); Flashing - 15lm (40 hours); Sequence - 15lm (30 hours). Charging Time: USB Type-C / 2-3 hours. Input: 5V 500mA. Size: 4.6 x 3.6 x 1.2cm. Weight: 30g. Lamp Housing: Engineering-grade polymer. Attachment: Rear saddle shell with double-sided adhesive. Waterproofing: IPX6.