Highlights for KEYDIY KD B21-4 Universal Flip Remote Key Knife Type:
• Universal flip remote key for wide vehicle compatibility, works with most KD key programmers (KD-X2, KD MAX, KD-X4, KD900, etc.)
• 3+1 button layout: Lock, Unlock, Trunk, Panic / Auxiliary function
• Classic knife-style flip design, durable construction with comfortable grip
• Supports both 315MHz & 433MHz frequencies, auto-switchable
• No built-in transponder, allows installing various aftermarket glass / carbon chips
• Smooth flipping mechanism, stable signal transmission, long operating distance
• Standard CR2032 battery powered, easy to replace and maintain
• Ideal for car locksmiths, key duplication, replacement, and after-market refitting
• Compact, lightweight, and matches original key appearance for most models
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