Features 1、INVISIBLE LOCK: This lock is installed in the door, and there is no exposed lock hole, no lock outside the door, invisible and safe, you can use with confidence 2、SAFE MATERIALS: Electronic cabinet lock use ABS fire retardant material, possess high temperature resistant mechanical lock core, prevent prying self ejection lock body, two modes of unlocking 3、PROVIDE CONVENIENCE: According to different needs can set a single card door open or double card door open, there is an ID key chain or ID card, can also be entered into the system, truly open a card multiple locks, do not need to wear multiple keys or multiple cards, make your life easier 4、SMALL INDUCTANCE AND POWER SAVING: Invisible electronic cabinet lock has an enlarged and thickened induction coil, more sensitive induction, larger induction distance, and neat internal line routing 5、STABLE AND DURABLE: The chip of wooden drawer cabinet electronic lock is resistant to high temperature, impact resistant with stable performance, more durable Specification Item Type: Electronic Cabinet Lock Management Card Capacity: 3 User Card Capacity: 13 Operating Temperature: -25℃~55℃ Working Humidity: 5%-97%RH Battery Model: 2 x AA Alkaline battery(not included)(do not use carbon batteries) Battery Low Voltage Alarm: 2.4V Ultra Low Voltage Normally Open: 2.2V Package List 1 x Electronic Cabinet Lock 1 x Lock Head 1 x Induction Card 3 x Induction Hanging Plate 1 x Sticker 1 x Accessory 8 x Screws 1 x User Manual