idRadar is a companion application for the id221 smart radar taillight. After connecting to the device via Bluetooth, you can view vehicles approaching from behind and adjust the taillight lighting.
Main Functions
• Bluetooth Pairing: Search for and connect to the id221 radar taillight, check connection status and battery level.
• Radar Detection: Displays the distance and speed of targets behind on the road screen; allows you to toggle phone alerts and the device's radar taillight on and off.
• Light Modes: Flashing, fast flashing, breathing flash, constant light, and off; brightness adjustable; allows you to set radar proximity flashing and brake light settings.
• Firmware Management: View and download firmware; update the device via Bluetooth.
Please turn on your phone's Bluetooth before use, and turn on the device's Bluetooth according to the product manual. For real-time recording, please use idGoLive.
Safety Tips
This application and radar taillight are only for riding safety assistance and cannot replace observing road conditions. Please pay attention to your surroundings while riding and do not stare at your phone for extended periods. Vehicle proximity alerts are only used to improve environmental awareness; do not let your guard down.
Latest Version
Varies with deviceRequires Android
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on Sep 28, 2026
This release includes minor bug fixes and general improvements. Update to the latest version for the best experience.
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