| Features ·                                  On     board rechargeable lithium ion battery for up to 10 hours of use ·                                  33lb     primary payload and 10lb secondary payload capacity, with a mount weighing     only 13lbs ·                                  Whisper     quiet low-power consumption stepper motors ·                                  Go2Nova®     8407 hand controller featuring 212K+ object library with an 8 line     illuminated LCD screen ·                                  Zero     backlash driver system ·                                  Built-in     WIFI adapter for full ASCOM, iOptron CommanderTM and Sky     Safari wireless control ·                                  Serial     port for computer control and firmware upgrades ·                                  Retractable     counter weight shaft ·                                  Position     memorization at power interruption ·                                  Die-cast     aluminum body ·                                  3-Point     easy level adjustment n tripod ·                                  6     inch dual dovetail saddle (Losmandy/Vixen styles) ·                                  Stands     a mere 10 inches tall (mount head only) ·                                  Built-in     32-channel GPS receiver ·                                  Automatic     position and angular detection sensors ·                                  Aluminum     Hard Case ·                                  1X     10lb counterweight included ·                                  2     inch heavy duty stainless steel tripod included ·                                  Two     year limited warranty ( 90 day for battery) ·                                  Optional     pier/Tri-pier |