JA6 Digital Thermometer
PRICE:$4.00

Features:
Knowing the temperature inside/outside of the car, avoid getting uncomfortable due to the temperature suddenly change , enable you adjust your Air-conditioner to a comfortable temperature no matter in summer or winter. 
Blue back light enable you reading out the temperature even at night. 
External sensor can be lead out to the front bumper through the internal electric wire route. Please dont stick the sensor on to the metal parts. 

Specifications:
Dual LCD display for inside/outside temperature 
sensitivity: 0.1°C
measure cycle: 10 Seconds 
Temp Measure range: -50 to +70°C
accuracy: +/-1°C 
Working Voltage: 1.3V-1.65V
Back Light Power: 12 V -14 V
Dimension: 75*33*15mm