Smart Fingerprint Unlock: support up to 40 fingerprint recording, and two administrators. Easy to add or delete fingerprints
USB Rechargeable: Built-in 300mAh lithium battery, up to 4 months standby time
IP54 Waterproof rating.
Easy to carry: Its compact size enables you to easily place it in your pocket and carry around.
Application: Suitable for house door, backpack. Suitcase, warehouse, bike, cabinet, and office.