Feature: 1. Emergency Unlock: In case the battery is dead, you can use the USB charging cable to unlock the device when the battery is dead. 2. Morse Code: Morse code emergency unlocking, can restore the factory settings to clear the fingerprints in special circumstances, in case of emergency. 3. Three Color Indicator: Three color RGB indicator lights make the working status clear at a glance. The green, red and blue color prompts will show different lights in different working status to prompt. 4. Administrator Mode: The first and second fingerprints are the administrator's fingerprints, the administrator can add users, delete users, delete the administrator's fingerprints to restore the factory settings and other operations by long pressing the fingerprint collector. 5. Intelligent Chip: Powered by self developed chip, faster computing, lower power consumption, artificial intelligence algorithms all make your next unlock faster. Specification: Item Type: Fingerprint Cabinet Lock Lock Body Material: ABS, Zinc Alloy Unlocking Method: Fingerprint Status Alert: Three Color RGB Fingerprint Collector: Semiconductor Fingerprint Collector Power Supply: 3 x AAA Batteries (not Included) Fingerprint Storage Quantity: 20 (including Two Administrators) Unlocking Speed: 0.8s Fingerprint Resolution: 508DPI Administrator Mode: Support Emergency Unlock: Support ESD: ±12kv Air, ±8kV Contact Operating Ambient Temperature: ‑10°C to 50°C Gross Weight: 115g/4.1oz. Package List: 1 x Lock1 x Fingerprint Switch1 x Lock Slot1 x Fixing Plate7 x Screws1 x Instruction Manual