... current4-20mA, 0-10mALinear voltage0-5VDC,1-5VDCChannels1-4 ChannelsDetailed Product Description 1,New Universal Temperature Paperless Recorder 2,Universal ... Temperature Data Logger 3,Size:72x72/160x80mm 4,CE 1 ... option)Maximum 2 points relay output, or 1 points 4-20mA and 1 point feed outputCould select 5VDC, 12VDC, 24VDC ...