LIGHT RADAR GARMIN VARIA 010-01509-00

World's first cycling radar that warns of vehicles approaching from behind up to 153 yards (140 meters). Works independently and wirelessly integrates with compatible Edge cycling computers. Edge computer or Varia head unit can detect multiple vehicles and indicates the relative speed of approach and threat level. Tail light unit brightens and flashes to notify approaching traffic of a cyclist ahead. Dimensions: 2.9" x 1.7" x 0.9 (7.3 cm x 4.4 cm x 2.3 cm). Weight: 2.2 oz (63.5 g). Modes: Solid, flashing. Lux: N/A. Lumens: 16. Battery life (high power mode): 5 hours. Charge time: 2 hours. ANT+: Yes. Water rating: IPX7. In the box: Varia radar tail light, Seat-post quarter-turn mount, Universal seat-post quarter-turn mount, microUSB cable, Manuals.