Wifi Tuya Version Temporary password Phone APP / Fingerprint / Password / Smart Card / Key Unlock Support Normal Open Mode (access free) Diffrence Mortise Lock Size English Voice Wire Drawing Panel Frosted Shell Universal Both for Right or Left Door                                                      We Recommend the R-FG6 Tuya, the battery energy conservation is better then the R-FG5           (Battery life longer then the R-FG5)              About the Tuya version Working principle                                    here is the comparison between the TT lock and Tuya APP          Obviously, the TT lock (bluetooth) version is better.     if you want to buy the Bluetooth version, please click here.if you want to buy the Bluetooth version, please click here.                       The Tuya APP functions: 1. Remotely control the lock 2. Get the unlock records              3. Temporary password                   Products Details:                                Semiconductor Fingerprint Reader        Reading speed under 1 second           Max Support 90 fingerprint                   M1 Smart Card Reader        Max support 50 cards Item default with 5pcs, if you need more, please contact us.                       Touch Keypad        4-8 digitals Support the Anti-Peeping Virtual Password enter               Reverse Locking Switch        can not open the lock from outdoor,unless the Master                   Back-up Unlock Method        1. Use Mechanical key 2. Power bank input by the Micro USB (prevent the battery dead)                   Low Consume Design        With low power warning Battery Size: 4pcs AAA 1.