The AVYCON AVK-P2500 controls DVR Functions with Touch Pad, controls Camera Functions such as Pan, Tilt, Zoom, and Focus, and Sets and Calls Camera Preset Positions. It also activates Pre-Programmed Group Presets, Tour and Pattern Sequences. The LCD is used to display current status as well as to provide a menu system for setting operational parameters. Features: Touch Pad Mouse Controls up to 255 Cameras Multiple Protocol Supported in each Channel Low Energy Consuming Keyboard RS-485 / RS-422 Communication Programmable User Preferences (Preset, Tour, Group, etc.) Built-in 3-Axis Proportional Joystick Easy Upload of Programmed Data via Serial Communication Built-in 2 Lines Character LCD User Password Support Programmable Transmission Speed for each ID Easy to be Integrated with DVR (Key-Code Value Provided