Product details – 2 pack iPower heat mat controller can provide constant optimum temperature for plants, seedlings and cuttings. It is ideal for maintaining rooting temperature in a tray and dome, home brewing for maintaining desired fermentation temperature, and perfect for temperature control in reptile terrariums and small pet enclosures. Easy Plug-In Operation with LED Illuminated Indicator Lights & Three-Prong Ground Plug. The controllable range of temperature is 40°F-108°FDurability: seedling heat mat is the new stronger heating wire and thicker multi-layer construction. Thermostat provides constant temperature control for Homebrewing, germination and fermentationPROFESSIONAL RELIABILITY: Heat mat warms 10-20°F above ambient room temperature to improve vegetable, herb, and flower seed germinationTEMPERATURE RANGE: Digital thermostat provides temperature control between 40°F – 108°F (5-42°C), Choice of Celsius or Fahrenheit readout. The sensor probe delivers accurate readings in both cool and warm environmentsPCAKAGE INCLUDES: 2 – heat mat (48″x 20″ Watt: 100W)/ 2 – digital thermostat (120 volts/ 8. 3 amps max/ 60 Hz/ 1000 Watts) easy plug-in operation with LED illuminated indicator lights & three-prong grounded plugPOWER SOURCE TYPE: Corded Electric