Mini Digital Thermometer Hygrometer with Probe Indoor Temperature Humidity Meter Gauge LCD Fahrenheit Display

This Mini Digital Thermometer Hygrometer with Probe Indoor Temperature Humidity Meter Gauge LCD Fahrenheit Display fits a 3/8 hole snugly. Can be used to get temp and humidity information inside a nest with that tubing port. Can also use a steep bit and drill into acrylic for use on diy nests.

Batteries included 

Would not advise use with very small or tiny species .