Frequency: A:125Khz(ID) Response Speed: Less than 0.2 second Reading range: 1-15cm Intput Voltage: DC9-16V; Communication distance: Less than 100m Working current: Less than 45mA The access control reader cannot store user data or add user cards. It is just a tool to expand the card unlocking function. It relies on the extended reader on the access control integrated machine, fingerprint access control machine, multi-door control panel and other devices. Colour:Black Material:ABS Package Contents: 1 x access control keypad reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.