Thermometer Multiple Function Rainproof Voltmeter Review

So it works fine for that. But time will tell that the last watch I received was destroyed by sun and heat. This is on I have kept it out of direct sunlight. But heat always gets in the way, so this time I drilled a small hole in the base and secured it with a screw. So far so good, I can see it very well and seems "fairly" accurate.

Looks good and would be great if it worked properly. The inside temperature differs A LOT from the reading 10-20 degrees higher than the actual temperature and the outside temperature is correct, the cable is so SHORT that it barely protrudes from the cabin and the cable cannot be spliced to make it longer. The unit just won't read the temperature unless you have an extra cable, so I can get an accurate temperature while driving, but as soon as you hit a traffic jam or the engine's slow-moving…

As usual, the instructions are not very clear. Simply put: 1 - Remove the tape from the battery compartment. 2 - Find a suitable place to install the device. 3 - Locate the external temperature sensor on the outside of the vehicle (easiest to install next to the rear view mirror). 4 - Connect the 12 volt plug to the vehicle's power system. Now follow all instructions except US customers to change degree C to F (can only be done with car engine running). Press and hold the C/F button until you…