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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

What is RFID card? Radio-frequency identification (RFID) uses magnetic attraction fields to mechanically establish and track tags connected to things. The tags contain electronically-stored data. Passive tags collect energy from a close-by RFID reader's interrogating radio waves. How do RFID cards work? RFID technology has 2 parts – the reader and therefore the RFID card. The reader has 2 components – a transceiver and antenna. The reader sends energy to the cardboard via radio waves, generating power via a development referred to as magnetic attraction induction. The RFID card has 2 components -  antenna and a semiconductor, connected along by a secure bond to form a computer circuit. The semiconductor stores and processes knowledge and therefore the antenna receives and transmits knowledge. Once energized the RFID card can transmit its knowledge, sometimes its serial range, to the reader in an exceedingly time unit. Take a hotel card as an example, place hotel card to

Hotel Room Number Signs New Product: Touch Screen Hotel Room Number Signs Hotel Room Number Signs have 4 functions Room Number Show to customers which room he check-in. Don't Disturb When guest press “Don’t Disturb” key on the touch switch inside the room, this “Don’t Disturb” sigh light will be turned on to indicate that the guest need privacy and rest, meanwhile the doorbell become inactive. (No ring even if doorbell key is pressed). Door Bell After guest inserts room card into energy saving switch to gain power, this “Doorbell” sign blue light will be turned on, indicating guest checked in. When visitor press “Doorbell” key, the doorbell inside the room will ring to remind the guest. Please Clean When guest press “Please Clean Up” key on the touch switch inside the room, this “Please Clean Up” sigh light will be turned on, to remind waiter this room need to be cleaned. Also, if you want to customize function on this touch screen hotel room number sign