QTP 12 - 8 Opto-In, 4 Relay
QTP 12 witch 12 key; 8 Opto-In
and 4 Output Relay; I2C BUS;
One Wire®, Buzzer;
Serial Line RS232, RS422, RS485, Current Loop; CAN line; Power Supply. 
QTP 16 Big - 3 Relay
Quick Terminal Panels Big 16 keys; 5
LED; Alphanumeric Display 20x4; 3 Relay; RTC; I2C
BUS; One Wire®,
Buzzer; Serial Line RS232, RS422. RS485, Current Loop; CAN line;
Power Supply.
