Truck hvac control ISO9001,TS16949 Quality Assurance,SQ/DENSO; True color LED dispaly; Perfect technology support CG220209-C controller construction vehicle&truck hvac control Power supply: 12V(DC8V-DC16V) 24V(DC20V0DC32V)Power consumption: 2WCurrent: Max.200mAMain functions: cool, fresh air, heating,memory, error alarm, voltage auto-protection, evaporate fan 3-grade adjustment, sterilization. ...