The iOptron Go2Nova 8407 hand controller (Version 2) serves as the core interface for iOptron's state-of-the-art GOTONOVA computerized control system. This is among the most sophisticated automated tracking solutions you can find in today's market. Navigating with this controller is a breeze thanks to its intuitive user interface displayed on a generous 8-line LCD screen. The system offers you the flexibility to maneuver the telescope at nine distinct slew speeds, allowing you to keep your celestial target in sight for extended periods. Setting up alignments is also straightforward and hassle-free. Compatibility List: AZ Mount Pro CEM40 GEM45 CEM60 CEM70 CEM120 iEQ30 Pro iEQ45 Pro Note: Firmware updates may be needed to ensure optimal performance with your specific mount. However, it's important to know that this controller is NOT compatible with iEQ30 or iEQ45 mounts. If you need a controller for these models, reach out to iOptron for their 8407 V1 version. Key Features: 8-line, 21-character backlit LCD screen for easy reading Operable in low temperatures, down to -20ºC Intuitive user interface for hassle-free navigation Nine different slew speeds, including a quiet mode Extensive celestial object database Firmware updates possible via serial port Specifications GOTO Controller Go2Nova LCD Back lit 8-line, 21-character display CPU 32-bit ARM Control Speed 9 speed(1X, 2X, 8X, 16X, 64X, 128X, 256X, 512X, MAX) Database ~212,000 Firmware Upgrade Yes (via RS232 port on mount) Working Temperature -20ºC ~ 40ºC (internal heated) Warranty One year limited