Mastercool 52223-a pocket pen type thermometer
Diameter.25mm -50 +150 c/ f pocket analog designs item# dial size temperature scale 52220 1 inch 0 to 220 f 52161 1 3/8 inch -40 to 160 f 91120 1 3/4 inch 0 to 220 f pocket digital design item dial size temperature scale 52223-a 1 inch -58 to 302 f battery operated 1.5v, life of 5000 hours, on/off and auto shut-off after 10 minutes.
