iPower 40-108&deg;F Digital Heat Mat Thermostat Controller for Seed Germination, Reptiles and Brewing PROFESSIONAL RELIABILITY: Digital temperature controller for heat mat in colder or warmer environments VARIETY OF USES: Heat mat thermostat provides constant customized temp for Seed Germination, Rooting, Reptiles, Homebrewing and Fermentation, keeping your various environments in their ideal temperature range TEMPERATURE RANGE:Digital thermostat provides temperature control between 40F - 108F (5-42C). Temperature Display Range: 32 -140F. Choice of Celsius or Fahrenheit readout TECHNICAL SPECIFICATIONS: 120 Volts / 8.3 Max Amps /60 HZ / 1000 Watts. Easy plug-in operation with LED illuminated indicator lights & three-prong grounded plug QUALITY GUARANTEE:1 Year Manufacturer Warranty