Model DC 370 Input 3 - 30V DC from Proximity Sensor, Photoelectric Non Contact Sensor, Encoder, Potential Free Contacts, Limit Switch etc., Input Speed 3.5 kHz (Max.) Range 0 - 999999 counts Resolution 1 count /pulse Relay Output 2 NO , 2 NC 5 A Rated Relays Sensor Supply 12V DC (±10%) 50mA Display 6 Digit 0.39”seven Segment Red Led Working temperature 0 - 50 ºC Power Supply 90 to 270V AC / DC 50Hz Dimension 72 x 72 x 65 mm Weight 200 grams (Approx.)