Complaint
Holtop advanced intelligent controllers with WIFI connection function. App is available to IOS and Android phones with the following functions:
1. Monitoring indoor air quality
Monitor local weather, temperature, humidity, CO2 concentration, VOC at your hand for healthy living.
2.Variable setting
Timely switch, speed settings, bypass/timer/filter alarm/temperature setting.
3.Different language
English/French/Italian/Spanish and so on to meet your requirement.
4.Group control
One APP can control multiple units
