Kiro&Seeu W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Cool Temp Control Module Switch with 10A One-Channel Relay with LED Display auspowers_batchfour The larger HC2 model cuts

The larger HC2 model cuts 2 to 20 in

letting you look farther and see wider

No Drilling or Installation Required

Long Threaded Screw Stainless Steel Pipe Coupling Fitting Material Stainless Steel Stainless Steel Stainless Steel Stainless Steel Brass Stainless Steel Number Of Item 1 4 1 1 1 1

becasue they need a PD charger

Kiro&Seeu W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Cool Temp Control Module Switch with 10A One-Channel Relay with LED Display auspowers_batchfour The larger HC2 model cutsKiro&Seeu W1209 12V DC Digital Temperature Controller Board Micro Digital Thermostat 50 110C Electronic Temperature Cool Temp Control Module Switch with 10A One Channel Relay with LED Display Color: No CaseSpecifications: Model: W1209 Dimensions: 48. 5 x 40mm Temperature Control mode: ON OFF Temperature Range : 50 110 degree centigrade Resolution: When temperature is 0. 1 degree, the resolution is 9. 9~99. 9, other temperature segment is 1 degree.