this thermometer can show you the last time's temperature, paper can be added under the hook, it can be sticked on the wall.

Max/min main description:

                                     

1) size: 72x32x72mm                           

2) lens is made of PMMA, back housing is ABS, outer ring is aluminium alloyed, hook is also made of ABS     

3) two sides needle can be moved when you adjust the knob                                   

4) how to use this kind of thermometers: try to make the three needles to be in a line, when the temperature changes, the black central needle can draw either of other needle. So you will easy to find what's the temperature of last time. It is easy to be sticked on the wall or other place, in that case, it is more convenient  

5) OEM is welcome!