p>Ultra bright 100 lumens USB rechargeable rear light with 4 light modes. EPDM band allows for tool-free bi-directional mounting and easy removal from aero/round seat posts or helmets./p>\np>BRIGHTNESS: 100 Lumensbr>LIGHT: 9 super bright LEDsbr>BATTERY: 3.7 V 700mAh lithium ion (integrated)br>CONTROL / RUNTIME: 4 modes: 3 hours (fixed) / 5 hours (blinking + fixed) / 10 hours (constant + flashing sequence) / 30 hours (blinking)br>CHARGE / CHARGING TIME: Micro USB / approx. 3-4 hoursbr>INPUT: 5V 500mAbr>COATING: Technopolymerbr>ATTACHMENT: Velcro mounting strap for aero/round seat posts (25.5-34.9), Topeak bags and helmetbr>WATERPROOF: IPX 6br>SIZE: 5.7 x 4.1 x 2.5 cmbr>WEIGHT: 30 g/p>