F99 and S99 this is Mini Metal Case Standalone RFID/Fingerprint Access Control with Embedded Design.

Support 125KHz EM Cards.

It is an ideal choice to install on door frame.

IP66 Waterproof is very sitable for outdoor use.

It support Master card and Master fingerprint for easy opeation.

Feature:

> Embedded Design with Mini size

> Metal case and IP66 Waterproof 

> User capacity:

   S99 support 3000 Cards

   F99 support 800 Fingerprint and 3000 Cards

> One programmable relay operation

> Latch mode to hold door and gate open

> Tri-colour LED status display

For more details, You might check the following web link:

S99 ( Support RFID Cards only )

https://www.s4a.com.cn/product/?98_1257.html

F99 ( Support Fingerprint + RFID )

https://www.s4a.com.cn/product/?100_1256.html