The Exo Terra Combo Digital Thermo-Hygrometer is a combination thermometer and hygrometer, This 2-in-1 precision instrument is equipped with a remote combined sensor for accurate temperature and humidity indication, and has a programmable minimum/maximum memory setting which can be controlled with a single button, Durable and easy to use, the Exo Terra Combo Digital Thermo-Hygrometer can be installed in one of three ways: with Velcro (included), with a screw, or by simply sliding it into position on top of the Exo Terra Compact Top or Dual Top Canopy, The Exo Terra Combo Digital Thermo-Hygrometer Features and Benefits:, - Accurate temperature and humidity indication, - Single button operated, - Combined remote sensor for temperature and humidity, - Minimum / Maximum memory setting for humidity and temperature levels, - Fits the Exo Terra Compact Top and Dual Top Canopy, 1, 75"" length x 0, 5"" width x 1, 5"" height SKU: RCHG1160