SWP-D809 multi-circuits cyclic-test LED displayed controller, CO2 air quality monitor(with digital photo frame)

Beijing Qingfengkanghua Technology Co., Ltd.

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SWP-D809 multi-circuits cyclic-test LED displayed controller [Country:China]

= Multiple circuits rotational measure, alarm output =Computerisation automatic adjust parameters = Full-opening inner paramet

multi-circuit, inverter circuit, integrated circuit, electronic circuit

CO2 air quality monitor(with digital photo frame) [Country:China]

Products have simple and nice appearance,applied in analyzation in various indoor air environment

CO2 monitor, co2 sensor, co2 meter, co2 transmitter