Viper Responder LE Features:
*One 5-Button 2-way Remote
*One 5-Button 1-way Remote
*Receiver Technology SuperCode
*Channels (per car) 24 (x2 cars)
*Car Finder/Panic
*Parking Light Flash with Flexible relay
*Antenna with Integrated LED/Valet Switch
*XK400N Databus Integration Slot
*D2D Port for XK Interface Modules
*Bitwriter Programmable (V2.6 + 998M)
*Bitwriter 2 Programmable
*SilentMode2 Sirenless Modes
*Onboard XCR Remote Start Relays
*Flex Remote Start Relay Onboard
*Virtual Tach
*Defroster Output w/ Dedicated Channel
*Switch-controlled Turbo Timer
*Runtime Reset from Remote
*Timer Start Mode
*Smart Start (temp/timer/voltage)
*Auto Temp Display on Remote
*Cabin Temperature Request
*Classic Directed Features:
*Failsafe® Starter Kill
*GPP Guaranteed Protection Plan
*Onboard Shock Sensor - Remote Adjusting
  Stinger DoubleGuard Shock Sensor
*Revenger® Six-Tone Soft Chirp Siren
*Learn Routine
*Warn Away®
*Nuisance Prevention Circuitry (NPC)
*Progressive/Instant Door Trigger
*Bitwriter 2 Compatible (Coming Soon)
*Aux Outputs 4
*Extreme 2,000 feet FCC legal 2-way range
*Simple new universal icons on the Remotes
*Longer battery life up to 6 months
*Real Status using GhostLights check the vehicle temperature and run time remaining using the LEDs on the remote
*Soft Touch surfaces for comfortable tactile sensation
*Remote Key Pad Lock
*Viper GPS Tracking System: ESP serial port

Viper 5701 LE now includes the new and improved 2-Way Antenna with the Blue Status LED and Valet Switch built in with a average Range of 2000 Feet.