Product dimensions: W 2.8 x D 4.1 x H 0.7 inches (70 x 105 x 18.2 mm) * Thinnest part 0.6 inches (15 mm) Antenna cable length: 11.6 inches (40 x 40 x 14.7 mm); Antenna cable length: 1.2 ft (3.5 m) (3.5 m) (1 m) (1 g) (not including power cable (3 m) (3 m) (3 m) (3 g) (not including power cable), LED display (3.5 m) (3.5 m) (3 m) (3.5 ft (3.5 m) (3 m) (3 g) (3 m) (8 m) (compatible with ETC usability to pass through the gate passing through the gate notification etc. Detection method: Voice Buzzer/LED Input Voltage/Current Consumption: DC 12 V/Approx. 150 mA (when standby), DC 24 V/ Approx. 80 mA (when standby), No need to connect with car navigation system. ETC 2.0 service per car unit alone. Compatible with new security standards. Easy to use front operation button, large LED with excellent visibility, voice / LED, buzzer / LED mode switching, history, volume adjustment, expiration date notification, various announcements, notification functions, highway usage fee guidance, VICS information, anti-forgetting functions, ETC card expiration date notification, history confirmation (ETC usage history, VICS history, error history) Cars, Large Cars, 4 Wheels. For cars only.