Rydeen MV431T OE Grade 4.3 inch Mirror Monitor with 2-Way Video-In Dual Temperature Sensors and Compass 4.3" Mirror Monitor with Ultra High-Brightness TFT Screen 2 Video-In with 1 Video Auto-Trigger Switching for Back-up Camera Two Temperature Sensors for Inside & Outside Temperature Readings Highly Accurate Compass Included Mirror measures 10-1/4 inch