Responder HD features Viper's most advanced color remote, operating a one-mile range, 2-Way security and remote start system with an upgraded user interface, mini-USB charging port and patented menu wheel.

Viper's first one-mile range color remote, using 900 MHz Spread Spectrum Technology (SST)
A brand new user interface, for the first time utilizing the patented Menu Wheel
New custom Viper animations, to confirm user commands and illustrate system events, on a 128 x 128 pixel Organic Light Emitting Diode (OLED) high contrast panel, with 262K and 65K full colors, and a wide 160° viewing angle, employing an anti-glare polarizer for enhanced daylight visibility The OLED display panel on the Viper Responder HD color remote is 20% larger than previous LCD panels on a keychain remote.

http://viper.com/P-5902V/Viper-5902-...e-Start-System