Product name: "Po, the" smart air-conditioning control Economizer Instructions: 1. Working voltage of the machine: AC 250V-190 V 2. Voltage frequency: 50 HZ-60HZ 3. Power of this machine: <2 W 4. Use of the environment: -2 degrees - +55 degrees Celsius 5. easy to install and easy to use 6. without personal management 7. installation of a permanent benefit advantages: energy saving of 10% -40% = money
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