1: Car Thermometer 2: 12V car use 3: In/Out Thermometer show at the same time ... car LCD clock,car thermometer and hygrometer;car Radio controlled clock,car voltage meter,car in/out thermometer etc.Welcome oem,odm order . High Quality 12v Car ... be attention that this products only can be used in 12V car.Not can be used in 24V truck. High Quality ...