... 2 Years Warranty CE FCC ROHS Certificated ptz control keyboard BE-4KDptz control keyboard BE-4KD1. Built-in a variety of ... intelligent cameras, DVR control protocol, 5 commonly used control protocol for choice. 2. keyboard with password ... the smart camera Presets, queues and other functions. 7. control of DVR with multi-screen monitoring, recording, playback, fast forward ...