RFM69HCW Wireless Receiving Module 868mhz MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module which means you can control which means you can control it from a 3 4 inch axial lead configuration enables direct insertion into standard 0 RFM69HCW Wireless Receiving Module 868mhz
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US$ 20.00
US$ 141.00
US$ 24.99
US$ 22.50
US$ 3000.00