1. Unlocking by RFID card + mechanical key in emergency
2. Support card type: M1fare S50 card, 13.56MHz
3. Material: SUS304 stainless steel
4. Powered by 4pcs AA Alkaline battery
5. Battery life: approx 1 year
6. Low voltage alarm,USB emergency power
7. Door ajar alert
8. DND (Do not disturb) function available
9. Management classification: support 14 types of cards including authorization card, clock card, room number setting card, master card, emergency card, floor card, building card, guest card, temporary card, house keeping card, alarm card, no-disturbing card etc
10. Hidden cylinder
11. Hotel locking system includes: hotel locking software, encoder, RF card, energy saving switch, data collector
12. Warranty: 2 years, lifetime maintenance
13. Hotel software interface with other PMS (API / SDK can be provided)