WH0290_C Air Quality Display for WH41 Air Quality Sensor

Features Measurement: Indoor temperature & humidity; Upgradable (additional purchase): PM2.5 & AQI; 6 Grades Air Quality Levels; Sensor battery power & data condition indicator; Specifications (WH0290_C Display) Measurement Range Accuracy Resolution Temperature (Indoor) -10°C to 60°C (-14°F to 140°F) ± 0.3°C (± 0.6°F) 0.1°C (0.1°F) Humidity (Indoor) 1% to 99% ± 3.5% 1% Line of sight wireless transmission (in open air): 300feet(100meters) Update Rate: 10 minutess Power consumption: 1X AA 1.5V battery (not included)  Parts List 1* WH0290_C Display of Air Quality Monitor