Hermit Crab Dual Thermometer
Handy Dual Thermometer/Humidity Gauge attaches easily inside your hermit crab or other creature's cage and gives you at-a-glance readings of these important cage variables. Attaches easily to most enclosures with an included velcro strip.
Instructions: Peel adhesive paper off the back of the Velcro exposing sticky tape. Mount/press firmly to the inside back wall of your hermit crab enclosure.