BN LINK Digital Temperature Controller Heating Cooling 2 Stage Outlet Thermostat Controller Plug for Reptiles Aquarium Carboy Homebrew Breeding Fermenter Seed Germination °C °F 40 176°F 15A 1875W Style:Digital Includes hardware for two attachment B0DK1NFLD9 Includes hardware for two attachment options: 4 x 5 16" diameter stems with 4 x 3 8" grip neck sleeves and 4 x 1 1 2" by 1 1 2" swivel top plate stem with 16 screws for mounting This longer tap wrench is very handy in machine DUAL OUTLET & DUAL FUNCTIONALITY: The professional dual digital outlet three prong ground plugs thermostat controller is capable of controlling a heating and cooling device simultaneously BN LINK Digital Temperature Controller Heating Cooling 2 Stage Outlet Thermostat Controller Plug for Reptiles Aquarium Carboy Homebrew Breeding Fermenter Seed Germination °C °F 40 176°F 15A 1875W