This invisible electronic lock set is perfect for cleaning supply cabinet, drawers,  baby proofing, gun box, and even sliding doors. Make sure batteries are inserted and test the keys before mounting. The keys come programmed so please test first. If the keys will not open check manual for programing instructions.

Features:

Package includes: 
1 - Lock 
1 - Hook
1 - USB Cable for Backup Power
1 - Set of Screws
3 - RFID Tag(13.56 MHz M1)
3 - RFID Card(13.56 MHz M1)
The Hook can be installed at vertically or horizontally
Item Dimensions: 2.99" x  2.99" x 1.18", 5.6 Ounces
Stainless steel latch and ABS plastic lock body, durable and anticorrosion
Lock body material: ABS Plastic
The thickness of cabinet wooden door should be not exceed 1.2", the card can work for 1.5" Max
Batteries are NOT included - needs 4 AAA