Digital Thermometer for terrariums with digital readout in Fahrenheit or Celsius. Has a remote sensor probe for accurate readings.
 
Instructions
Using suction cups, mount the probe inside the enclosure (wet or dry). Mount the digital display in a dry location outside the enclosure.
Press power (pwr) button to turn on. Press and hold power button for 5 seconds to turn off.
Slide fahrenheit/celsius switch to desired setting.
Uses one LR44, 1.5 v battery (included).