Place of origin:  
China
                 Price Condition:  
FOB 
                 
            data transmitter
- With large LCD display for data check
- With 2200mAH battery inside
Option function any needed please contact with me 
1.can expand 4 channel.(two channel temperature and two channel humidity )
2.SMS alarm function
RC-40 Temperature and humidity Data Logger, Segment LCD display, one channel temperature and one channel humidity as its standard configuration, it could be expanded
                [Related Keywords : Humidity data logger, temperature data logger, RS458 temp data logger]