1. Intelligent card key.
2. Auto-warning tone.
3. Lcd display screen.
4. Remain operation when power cut.
5. Rust-proofing treatment.
6. Color, shapes & functions on customer's demands.
7. Most apply for offices, court, campus, library, stations, airport & etc.
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.