Features: The PB61 9C MEMS sensorings module delivers precise four in one environmental monitoring (temperature, humidity, pressure, vocs) with low power consumption for IoTs applications. Featuring 3.3V/5V controller compatibility and two gravitys I2C/SPI interfaces, this high integration pcbs sensorings enables connectivitys and expandable environmental data collection. for electronics enthusiasts, IoTs developers, and industrial engineers requiring multiparameter environmental analysis in prototyping or systems integration projects. Perfectly for smartests home air quality monitoring, weather station upgrades, industrial automation controls, and HVAC system optimization. This environmental sensorings module combines professional vocs detection with plugs and play functionality, making complex data acquisition accessible for platforms. Specifications: Input voltages: 3.3V-5V Operating current: 5mA (after vocs measurement is turned on, the operating current is 25mA) Communication interfaces: gravitys I2C Reserved interfaces: SPI Temperature measurement ranges: -40℃~+85℃ Temperature measurement accuracy: ±1.0℃ (0~65℃) Humidity measurement ranges: 0-100%r.H. Humidity measurement accuracy: ±3%r.H. (20-80% relative humidity, 25℃) Pressure measurement ranges: 300-1100hPa Pressure measurement accuracy: ±0.6hPa (300-1100hPa, 0~65℃) Package Includes: 1PC PB61 9C Environmental sensorings Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.