Paperless Recorder-Data logger 1.3 channels/USB ... .CE Toky DX2100 is the low cost yellow screen paperless recorder (160X80mm, 3 channels), used the advanced technology, ... power is off with using hard clock in recorder.Boundary dimension:160*80*61mmInstallation dimension:152*76 ... supply high quality and performance quality, paperless recorder, data logger, temperature recorder, paperless chart recorder.