3 wire digital room thermostat

{"title":"Boiler Wired Digital Room Thermostat Water Heating Control Temperature Control \tWired Room Thermostat","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/91\/e5b5e58f93fb0d16afa0e88d051c-200x200-1.jpg","attrs":{"Price":"USD $13\/pcs","Brand Name":"OCSTAT","Model Number":"ST2401","Minimum Order Quantity":"500pcs","Delivery Time":"5-30 Work Days","Certification":"CE\/RoHs","Place of Origin":"Dongguan","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"30000pcs per month","Packaging Details":"Customized Package","Name":"Non programmable heating room thermostat","Temperature Range (\u00b0F):":"0\u00b0C-40\u00b0C in 0.1\u00b0C","Control Temp.Range (\u00b0F):":"5\u00b0C-35\u00b0C in 0.5\u00b0C","Application:":"Control Temperature","Backlight":"Blue \/White backlight","Programmability:":"Non-Programmable","Temp.Meas.Accuracy:":"\u00b11\u00b0C (at 20\u00b0C)","Defrosting Temperature:":"+7\u00b0C","Power Method:":"2 x AAA 1.5V Lithium batteries","Mode Switch":"HEAT\/OFF\/COOL","Contact Rating\uff1a":"8\uff082\uff09A 230VAC Max"}}

{"title":"High Accuracy Digital Room Thermostat With Colorful Display For Central Air Conditioning","imgUrl":"https:\/\/img.chinax.com\/nimg\/cf\/f1\/ac4865ac0159de428cb413df61dc-200x200-1.jpg","attrs":{"Price":"usd","Brand Name":"EKON","Model Number":"TF-601C","Minimum Order Quantity":"50pcs","Delivery Time":"25days after payment","Certification":"CE","Place of Origin":"china","Payment Terms":"T\/T","Supply Ability":"10000pcs\/month","Packaging Details":"standard export carton","Type":"Fan Coil Unit,HVAC Systems,Air Conditioner Parts,Ceiling Concealed FCU","Application":"FCU\/Central Air Conditioning","material":"the controller of air condition","application":"control cooling and heating"}}