MAX30105 is an integrated particle detection module featuring internal LED photodetectors and optical components. It includes high-sensitivity, low-noise electronic circuits with ambient light rejection and reliable motion artifact suppression, simplifying the design process for smoke detection applications. Due to its compact size, it can be used as a smoke sensor in portable and wearable devices. Working voltage: DC 5V Operating temperature: -40C to 85C Communication interface: I2C Equipped with two M3 mounting holes Color: Purple Material: Plastic Dimensions: 10 x 10 x 5 cm Module size: 24.6 x 14.5 mm Package Contents: 1 x Sensor Note: The package includes only the items listed above. Other products are not included. Note: Lighting effects and different display screens may cause slight color variations between the image and the actual product. Measurement error allowance is +/- 1-3 cm.