The type SC05-NH3 electrochemical Ammonia module is a generic, miniaturized module.The detection of NH3 in the air by electrochemistry has good selectivity and stability.Built-in temperature sensor, can perform temperature compensation. The sensor module has both digital output and analog voltage output mode,it is easy to use High sensitivity, high resolution, low power consumption, long service life Provides the UART data output mode High stability, excellent anti-interference ability, temperature compensation, excellent linear output. Application: Air quality monitoring of residential garbage stations, garbage incineration stations, public toilets, sewers, other livelihood environments, and industrial environments. Color: Random Color (random colors, don't accept the specified color) Material: PCB Package Contents: 1 * SC05-NH3 Electrochemical Ammonia 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.