Brand Unbranded
Select Product: SDS011 Air PM2.5 Dust Sensor

Check the listing for details. PM2.5 Air Particle Dust Sensor SDS011 Module Laser Inside Digital Output. Condition: New. Listed at 20.77 USD. Easy integration: UART output (or IO output can be customized), fan built-in;4. High resolution: resolution of 0.3ug/m3. hope you could understand. Communication protocol.

$14.54
$20.77