Drive system for all 500-Series models.The #1702 Dual Axis Drive System permits the following
(A) Fully automatic tracking of any celestial object at the sidereal rate.
(B) image centering within the telescopic field of view at any four hand controller drive speeds
(2X, 8X, 16X, 32X).
Includes 12-voltAA-size battery pack(batteries not included).
The #1702 may also be powered from an auto cigarette lighter plug using optional #607 power cord.
Sale Price is 99.00 plus 8.00 shipping CONUS only.
payment moneyorder SEE Photo below