GARMIN Varia RearVue 820 Advanced Radar & Tail Light up to 24 Hours Battery Life and Visible Bright Taillight 2km Track Vehicles 175m

POWERFUL AND RELIABLE RADAR With our most powerful and accurate radar tracking technology, the Varia RearVue 820 radar detects vehicles approaching up to 175m away with a wider field of view. BRIGHT REAR LIGHT & BRAKE LIGHT Our brightest taillight allows you to be visible up to 2 km away. A brake light detects when you are slowing down or stopping and displays a unique flash sequence. Advanced Vehicle Tracking See alerts for small, medium and large vehicles and see when a vehicle changes lanes, along with its threat level, when driving with the latest compatible Edge cycling computers or the Varia app on your smartphone. Get alerts your way For visual and audible alerts while driving, connect this radar to your Vario smartphone app, compatible Edge cycling computers, or compatible Garmin smartwatches. In addition to touch alerts on the wrist, some Garmin smartwatches can also provide voice alerts for approaching vehicles - this feature is currently available in the Garmin Public Beta program for selected smartwatches VARIETIES OF LIGHT MODEL OPTIONS Drive with four different light patterns: day flash, night flash, solid mode and peloton mode, which helps preserve the pilots' eyes behind you. Create your own custom light patterns in the Varia app on your smartphone. COMPACT DESIGN A sleek, compact design and new seatpost mount mean that the Varia RearVue 820 fits perfectly on almost any road or gravel bike and is compatible with the Varia saddle rail mounting kit (sold separately).