3 colors 7 brands LED display inside rearview mirror;
Stage by Stage sound alarm;
Mute function
Antifreezing Function
Specification:
Working voltage: DC12V49841 2V
Input: 5W(max)
Beeper: 80dB
Working temperature: -40o C to +80o C
Frequency: 40KHz
Detection distance: 0.3-2.0m