Features:
·Colorful LCD display inside the mirror.  
·Multi-function design, can work perfectly as a rear-view mirror.
·Easy installation, just clip the magic mirror on the original one.
·Stage-by-stage sound alarm to avoid colliding
·Anti-freezing function, perfect performance under extreme cold weather.

Specifications: 
·Working voltage: DC12V +/- 2V       
·Power Input: 5W(max) 
·Beeper: 80dB
·Working temperature: -40~+80°C
·Frequency: 40KHz
·Detection distance: 0.4-2m