Specification

manufacturer	KEYDIY
model	B21-4
universal remote types	B series universal remote
Buttons	4Buttons
Product Color	Black
Condition	New
Battery	CR2032 series (not included)
Chip	No
Proximity / Smart / Keyless Go	No

1. Product Information

Manufacturer: KEYDIY
Model: B21-4
Remote Type: B Series Universal Folding Wired Remote Key
Design: Blade Design
Chip: None

2. Specifications

Buttons: 4 Buttons
Color: Black
Battery Model: CR2032 (not included)
Proximity / Smart / Keyless Go: No
Supported Devices: Compatible with KD200, URG200, KD-900, KD-Mini, KD-X2, KD-MAX, KD-X4.

3. Features

The B Series Universal Wired Remote Key utilizes a wired connection to ensure device stability and reliability.
The folding design makes it easy to carry, and the battery power is easy to replace.
The sturdy and durable casing is suitable for long-term use, with a database that updates weekly.

4. Innovations

The B Series Universal Wired Remote Key is generated through KeyDIY devices, compatible with multiple frequencies (such as 310MHz, 315MHz, 433MHz, etc.), adapting to various vehicle models.
Direct programming improves work efficiency and earns rewards.
Anti-theft chip not included, requires additional installation.

5. Target Audience

Automotive locksmiths, auto repair technicians, car modification experts, etc.

Tags KEYDIY, B21-4, remote key, car key, wired key, folding key, automotive locksmith

manufacturer	KEYDIY
model	B21-4
universal remote types	B series universal remote
Buttons	4Buttons
Product Color	Black
Condition	New
Battery	CR2032 series (not included)
Chip	No
Proximity / Smart / Keyless Go	No

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KEYDIY Universal Folding Wired Remote Key B21-4 Button, Blade Design With red horn