gs40f fingerprint + bluetooth app smart padlock gym lock dormitory security lock warehouse fingerprint padlock

downPlease be sure to:  1. GS40F is a single fingerprint model, (the maximum number of fingerprints that can be recorded is only)20枚Fingerprint-based unlocking is available for the GS40FB. It does not support unlocking using mobile apps or WeChat mini-programs. The GS40FB supports fingerprint, Bluetooth app, and WeChat mini-program unlocking methods (capable of registering up to 100 fingerprints). 2. The device is IP65 waterproof and suitable for outdoor use.