Charged to be seen! The Topeak TailLux 25 USB design features convenient cable-free charging with a direct USB port plug. Two super bright LEDs provide 25 lumens and three light modes, so you can be seen up to 2km away - even on the darkest nights. Bi-directional tool-free mounting and removal is accomplished by a single silicone strap making it simple to use on seatposts, seatstays or Topeak bags. (with included bag clip).

• Max lumens: 25 Lumens.
• Lamp: 2 super bright red LEDs.
• Battery: 3.7 V 320mAh Lithium Ion (integrated).
• Ccontrol: 3 modes: 3 hr (High) / 30 hr (Low) / 40 hr (Blinking).
• Charge: USB port / 2 hr.
• Input: 5V 500mA.
• Lamp housing: Engineering grade polymer.
• Strap mount: Fits aero or round seatposts (25.4 34.9mm), seatstay, and Topeak bags.
• Waterproof: IPX 6.
• Size: 6.3 x 2.7 x 2.5 cm / 2.5 x 1.1 x 1.
• Weight: 30 g / 1.06 oz (w/ mounting clip).