For PH and access control management, you must have your system, it works with the Soyal and ZKTecko system I have keychain and cards. 50 cents each piece. Shipping and sale of minimo 20 units.

They are not overwriting they are not for cloning or copying. Each tokens has its ID number to be configured in your system.

If you're interested in contacting whatsap or the same number.

Regulation: 4100 D
Frequency: 125KHz
Function: Reading only Memory: 64 – 128 bit
Reading range: 2-15cm
PVC material
Dimensions 86x 54 x 0.8 mm
Weight: 5 Gr.