KEHAO KH200B-F Paperless Recorder is an only smallest recorder (72x72mm) with high accuracy and performance & used the most advanced technology, to be aimed to various industry applications, and designed a smallest sized and lower power consumed, high accuracy, common usage; it is designed as economic one with high performance-price ratio, small and friendly-user. 
FEATURES
Small size (72mm*72mm), 128*64Pixels, Blue Screen
8MB memory installed inside, applied to long terms data record
Universal input signal, T.C., RTD, linear current/Voltage etc
High Accuracy, +/-0.2% of reading
Maximum to 2 points Relay or 1 point 4-20mA output and 2 points 24VDC output
Maximum can receive 4 channels input signal, channel optional
It can Display / Record single /Multi-point, Trend, Bargraph
The recorded data could be stored in USB memory, and take out to computer make soft analysis
Power Supply:85-24VAC, 50/60Hz
Communication, RS485 485 (MODBUS Protocol)