KeyDiy KD NB21-4 Universal Smart Remote – Knife Style 4-Button B-Series Remote

The KeyDiy KD NB21-4 Universal Smart Remote features a modern knife-style design from the B-Series lineup, offering both style and functionality for automotive remote replacement. Equipped with a 4-button layout—Lock, Unlock, Trunk, and Panic—it delivers smooth operation and reliable performance for everyday use.

Designed with an ergonomic grip, stylish chrome accents, and durable ABS housing, the NB21-4 is an excellent universal solution for automotive locksmiths and technicians. It is fully compatible with all KeyDiy programming tools, making it ideal for creating replacement remotes for a wide variety of vehicles.

🔧 Features

• Model: KD NB21-4
• Design: Knife-style B-Series smart remote
• Button Count: 4 buttons (Lock, Unlock, Trunk, Panic)
• Compatibility: KD-X2, KD900, KD MINI, KD MAX, KeyDiy Mobile App
• Build Quality: Durable ABS plastic with chrome detailing
• Ergonomics: Modern, comfortable grip with sleek appearance
• Use Case: Universal automotive remote replacement
• Programmability: Fully programmable using all KeyDiy tools
• Weight: 0.05 kg