Are you finding a digital RFID hidden lock? RFID hidden lock is an invisible panel lock, it can help to protect the belongs, such as the gun box, it is dangerous for children to play it, so we need to put it on the right way. Hidden locks suit for home, public place, apartment, etc. Feature 1. Mifare Card, more security for locker lock 2. Power by 4pcs AA alkaline batteries 3. Emergency power pack to use when the batteries are exhausted How to use RFID hidden lock A. You can choose one mode for your business 5 opening modes for options – RFID Hidden Lock Single card to open, automatically close it. Single card to open, the same card to close it. Dual cards to open, automatically locks. Dual cards to open, one of the cards to close it. Public mode, any non-programmed card to open, same card to open it. B. Put the hidden lock on your locker Don't need to make holes, through it on the wooden material, 0-30mm Contact us to get more information, sal