The .01 to 20 Torr Digital Indicator in 1/4 DIN Enclosure includes: 3 1/2 digit green backlit LCD display, standard line power 115 VAC, 50/60 Hz; 230 VAC optional(choose 230 VAC option when ordering), 10 foot(3m) gauge tube cable, line cord. Built to CSA standards. 4 to 20 mA or 0 to 10 VDC ouput option available on this gauge (choose option when ordering).