Went through 4 units of the TND 740 model from thi...

Went through 4 units of the TND 740 model from this brand and got very disappointed in each and everyone one of them. From the screen getting frozen to completely not wanting to function after trying to troubleshoot. Warranty system for this company is useless and have fun trying to call their customer service line. If I were to go back in time and choose again I would definitely stay away from Rand Mcnally.