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High precision digital output: temperature and humidity sensor, DHT temperature and humidity sensor 22 uses a digital signal output with high precision, strong stability and anti-interference ability Measuring range: DHT Temperature measurement range: -40℃--80℃, Measuring accuracy: 0.5℃; Humidity measuring range: 0--100%RH, Measuring accuracy: 2%RH FLEXIBLE CONTROL - Single digital bus signal output, bi-directional serial data for flexible control. DHT temperature and humidity sensor 22. Fast response, low power consumption and compact size make the sensor suitable for different occasions EASY TO INSTALL Come with mounting screw holes for easy installation and fixing. Aperture 2.6 mm Packing list: provides a reliable temperature and fire. Pack of 7 DHT Temperature Sensor DHT Temperature Sensor 22/2302 and Humidity Sensor with Board and Cable 3.3-5.5V Compatible with Arduino