Features:·ColorVFDdisplay inside the mirror. ·Multi-functiondesign,canworkperfectlyasarear-viewmirror.·Easyinstallation,justclipthemagicmirrorontheoriginalone.·Stage-by-stagesoundalarmtoavoidcolliding·Anti-freezingfunction,perfectperformanceunderextremecoldweather.Specifications: ·Working voltage: DC12V 2V ·Power Input: 5W(max) ·Beeper: 80dB·Working temperature: -40~+80°C·Frequency: 40KHz·Detection distance: 0.4-2m