Model: 6490 - Quantity: 1 - Color: Blue - Material: Plastic + Copper + PCB - Uses DHT11 sensor - Detect humidity and temperature surrounding - Humidity detection range: 20%~95% +/- 5% - Temperature detection range: 0'C~50'C +/- 2'C - Working voltage: 3.3V~5V - Output type: Digital output - With installation holes easy to use - With power indicator (Red) - 3-wire connection - VCC: External 3.3V~5V - GND: External GND - DO: Small board switch digital output port connected to microcontroller IO port - Great for DIY project - Packing list: - 1 x Module - 1 x DuPont line (20cm)