I bought the exact same ones not too long ago. Only one out of 4 was accurate. I do not recommend any of these. I now use acu-rite that I got from home depo for $10 a piece. They do require a battery and it is digital. It gives the ambient air temp and humidity level and I have not have had any issues out of them and I highly recommend them. I just keep them inside the enclosure on the top of the box hides.http://www.homedepot.com/p/AcuRite-D...0#.UdrKT53D-M8
Reply With Quote