F35 from ZKTeco is a standalone access control terminal featuring a video intercom function. F35 adopts in-glass fingerprint verification, offering secure biometric authentication without a dedicated button. F35 also supports multiple tech card modules for verification, and it can be a time and attendance terminal  when integrated with the ZKBioTime software. Also, one of the notable features of the F35 is that it has a 2.4-inch color monitor, a 2MP camera, a built-in microphone, and speakers for one-way video intercom via indoor monitor with SIP protocol. F35 supports the ONVIF protocol; its firmware has AC push and can convert to TA push.