I just acquired a Meade LXD55 mount that included an Autostar so I no longer need the one I used as backup for my LX90. This Autostar is labelled for the "ETX" but it is the #497 and will work with all models of the ETX, the LX90 and the new LXD55 mounts. I will upgrade it to the latest firmware if desired before shipping. $75.00 + shipping. Paypal, USPS money order or cashier's check preferred. I will accept personal checks but the check must clear before the equipment ships.