About the product
- Builtin EM4100 125KHz ID chip unique ID code for every patrol checkpoint compatible with most guard tour readers
- Solid waterproof ABS round coin housing dustproof shockproof stable reading for indoor outdoor longterm use
- Easy wall fixed installation with screws compact round size not easy to damage or lose
- Passive RFID design no battery required long service life for factory hotel warehouse community security patrol management
- Widely matched with access control guard tour systems