What Basal Thermometer do you use?

Shonda • 1 year wedding anniversary April 7, 2014. Ttc baby #1 . Age 27 . This is just the beginning.
I would like to get a new thermometer......since I think mines is wonky! It's a rite aid brand purple digital basal thermometer. I'd like to know what brand thermometers all of you ladies use. Thanks