Parameter: Quiescent current <40uA Power supply mode supports dry batteries, rechargeable lithium batteries Function: Support password, swipe, fingerprint, face, remote control, Bluetooth and other unlocking methods Support traditional lock body + clutch, electronic lock body, traditional lock body + fully automatic motor Support two-factor authentication mode Front and rear dual-chip control for high security level Live voice prompts, the prompt content can be customized Application: Protection against strong electromagnetic fields (small black box)