room thermostat for home system with 2 x aa batteries

{"cid":"91148828","title":"Convenient Electronic Room Thermostats for Heat Pump 1H\/1C 2*AA Batteries or 18-30 VAC NEC Class II","imgUrl":"https:\/\/img.chinax.com\/nimg\/2d\/80\/76a132190176a3196c5a521cadb0-200x200-1.jpg","attrs":{"Price":"13$-20$","Brand Name":"OCSTAT","Model Number":"STN3201","Minimum Order Quantity":"1","Delivery Time":"45-60 work days","Place of Origin":"China","Certification":"CE,FCC","Packaging Details":"color box & outer carton","Payment Terms":"T\/T, L\/C, Paypal, Western Union,Money Gram","Supply Ability":"200,000PCS per month","Physical Dimensions":"5.43\" W X 3.85\" H X 1.14\" D","Feature":"Save Energy","Stages":"1 Heat\/1 Cool","Terminal Designations":"RH,RC,C,O,B,G,W,Y","Sensor":"NTC","Display Size":"5.65 Sq.in. (3648mm\u00b2)","Others":"OEM\/ODM","Backlight":"Blue\/White\/Green"}}