KeyDiy KD NB21-3 Universal Smart Remote – Knife Style 3-Button B-Series Remote

The KeyDiy KD NB21-3 Universal Smart Remote is a stylish and functional knife-style remote from the B-Series, designed for automotive locksmiths and professionals who need a dependable replacement solution. Featuring a 3-button layout—Lock, Unlock, and Trunk—it provides smooth and responsive operation for everyday vehicle access.

Its modern knife-shaped design, chrome accents, and durable ABS construction offer both aesthetics and long-lasting performance. Fully compatible with all KeyDiy programming tools, the NB21-3 is suitable for generating replacement remotes for a wide range of vehicles, making it an essential item for any locksmith’s toolkit.

🔧 Features

• Model: KD NB21-3
• Design: Knife-style B-Series smart remote
• Button Count: 3 buttons (Lock, Unlock, Trunk)
• Compatibility: KD-X2, KD900, KD MINI, KD MAX, KeyDiy Mobile App
• Build Quality: High-strength ABS body with chrome detailing
• Mechanism: Smooth and ergonomic knife-style grip
• Use Case: Universal automotive remote replacement
• Programmability: Fully programmable via all KeyDiy devices
• Weight: 0.05 kg