Topeak's WhiteLite DX USB sports four high-power LEDs for excellent visibility. The silicone housing is tough, and it attaches easily with its no-tools rubber mount. This rechargeable light allows you to restore battery power by plugging into a computer's USB (perfect for at work!). And, the WhiteLite DX USB has a flashing mode for excellent safety.
Run time: 11/30 hours (constant/flashing)
Weight: 40 grams