Putting out an impressive 700 lumens, the PWR road is a part of Knog's modular bike light range, meaning you can swap light heads, batteries, and use the PWR bank to charge any device. Also included is the PWR Mount, designed to discretely tuck the PWR unit directly under a cycling computer using the GoPro style attachment. The Blinder Square, a 100 lumen rear light, is fully waterproof, features an integrated USB recharging arm and comes with three different replaceable silicon straps designed to accommodate any seat tube or frame size. Blinder Square Rear Light Inbuilt USB Recharge system. 100% Waterproof. 34 grams. X4 Unique graphic flash patterns. X8 modes: Steady, Fast Flash, Organic Flash 1, Organic Flash 2, Eco-flash. 144 Chip on board LED technology. Silicone strap with stainless steel clip with tool less camber attachment for front bars & rear posts of 22-40mm . Lithium polymer battery. Lumen output - 200-Lumens Front, 100-Lumens Rear. Run time - Up to 2.5 hours constant, up to 60-hours eco-flash. PWR Road Front Light - 700L BATTERY INDICATOR - Hate it when you run out of battery with no warning? That'll never happen with PWR Road, with 4 built in battery indicator lights. Tap the bottom of the light to activate the battery indicator. 4 lights = fully charged, 2 lights = half charged etc. EASY TO MOUNT & USE - This light can be mounted on top or below your handlebars, directly under your Garmin, or on your helmet. It comes with a side mount and shim that fits handlebars 22.2-38.1mm diameter. Once mounted, using PWR Road is a breeze. It's a simple twist-head operation to turn light on & off and to scroll through light modes. CHARGE YOUR DEVICES - Press the red button to release the light head, and use the PWR bank to charge your phone, GoPro, cycle computer or other device. Charge your PWR Road using the included micro USB cable. WIDE BEAM & CUSTOMISABLE MODES - PWR Road outputs a max 700 lumens, and can run for up to 195 hours on Eco Flash Mode. Its elliptical beam gives broader, bright road coverage. It comes with 6 pre-program d modes, and you can program the light to suit your needs with Modemaker. You can control brightness, adjust runtimes and add new light modes.