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Clifford Responder One 4203X

2-Way Responder Vehicle Remote Start Keyless Entry System w/ Two Remotes (4203X)

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Price Information

$299.99

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$129.99

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Customer Testimonial

Thanks, Thanks, Thanks. I received my order in a great condition and fast! Great online-shop!!! Super quality and best prices! My opinion: SONICELECTRONIX IS THE BEST IN USA!!! Thank you much

- Viktor from Plano, Texas

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General Features

  • 2-Way Responder Remote Start System
  • Not sure which model is right for you? Click Here to compare different Clifford models
  • Virtual tach
  • D2D Port for optional plug-in XPRESSKIT vehicle interface
  • Parking light flash
  • Unlock while running
  • Extreme capacity relays (XCR) onboard
  • Defroster output
  • Horn honk feature
  • Includes 2 one button remote controls
  • Range up to 2000 feet
  • LED confirmation
  • 1-year Sonic Electronix warranty

Replacement / Additional Remote Options:

Clifford Model Comparison Chart

Model Security Remote Start Keyless Entry 2-Way Main Remote Type Range Secondary Remote Channels Trunk Pop
5904x LED Screen Up to 1-Mile 5-Button, 1-Way 4
5704x LCD Screen Up to 1-Mile 5-Button, 1-Way 4
5204x LED Screen 2000 Feet 5-Button, 1-Way 4
5104x 5-Button, 1-Way 2000 Feet 5-Button, 1-Way 5
4704x LCD Screen Up to 1 Mile 5-Button, 1-Way 4
4204x LED Screen 2000 Feet 5-Button, 1-Way 3
4203x Unlock ONLY 1-Button 2000 Feet 1-Button N/A
4104x 5-Button, 1-Way 2000 Feet 5-Button, 1-Way 3
3305x LCD Screen 1500 Feet 5-Button, 1-Way 2
3303x LCD Screen 2000 Feet 5-Button, 1-Way 4
3105x 4-Button, 1-Way 1500 Feet 4-Button, 1-Way 2
3102x 4-Button, 1-Way 1/4 Mile 4-Button, 1-Way 5

General Features
Security System Type Remote Start
Car Alarm Yes
Remote Start Yes
Keyless Entry Yes
2-way Paging No
Number of Remotes 2
Number of Buttons on Primary Remote 1
Main Transmitter Type Button(s)-only with LED Lights
Sidekick Remote Transmitter Type Buttons with LED
Number of Vehicles Supported 1
Number of Auxiliary Outputs Not specified by manufacturer
PC Programmable No
Smartphone Compatibility No
Professional Installation Recommended Yes
Alarm Features
Paging Range 2,000 Feet
Siren Yes
Remote Start Features
Cold Start Timer No
Turbo Timer No
Compatible with Diesel Engines No
Engine Start Intervals No
Compatible with Manual Transmissions No
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
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Product Summary

Manufacturer: Clifford
Model number: RESPONDER-ONE
Weight: 4.00 lbs
Internal SKU: 4203x
Internal product ID: 30132