MEMS sensor, small size, low power consumption, high reliability Wide voltage input, compatible with 3.3V/5V controllers Highly integrated environmental sensors: temperature, humidity, air pressure and VOC, 4-in-1 environmental parameter monitoring I2C interface, plug and play, while reserving XH2.54 SPI interface for expansion Input voltage: 3.3V-5.0V Working current: 5mA (After VOC measurement is turned on, the working current is 25mA) Reserved interface: SPI Temperature measurement range: -40℃-+85℃ Temperature measurement accuracy: ±1.0℃(0-65℃) Humidity measurement range: 0-100%r.H. Humidity measurement accuracy: ±3%r.H. (20-80% r.H. 25℃) Pressure measurement range: 300-1100hPa Pressure measurement accuracy: ±0.6hPa(300-1100hPa 0℃-65℃) Color: Black Material: PCB Package Contents: 1 x BME688 Environmental Sensor Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.