This stylish in-car voltage and temperature meter features an attractive EL-Blue backlit LCD which is constantly illuminated when the car's power is present. The unit plugs into the vehicle's cigarette lighter socket for power but can be hard wired for permanent connection. Two LR44 button cells keep the clock powered when the car's ignition is switched off. Two temperature sensors monitor both the inside and outside temperature of the car, with the external sensor attached to a 3m length of cable. Min and max displays are recorded for both the inside and outside temperature sensors for ongoing reference. A green LED advises you if the car's battery level is good, but it will flash and an audible warning will sound if the battery voltage is critically low. The LCD, however, will indicate a more accurate reading if it's required. An ice warning is also available if you live in a cold area (based on zero temp, monitored by the outside sensor). Great for drivers who frequent the snow fields! A clock and calendar are also featured. Size 140(W) x 30(H) x 18.5(D)mm.... » read more
With this wireless device you can always be aware of what the outside temperature and humidity is, without having to actually go outside to find out! Also functions as a handy digital clock. Attach the wireless sensor, or just leave it somewhere outside and the sensor will measure the current conditions and wirelessly transmits the data to the monitor.... » read more