• Mains Powered：5v DC via external DC adaptor with 2.5mm diameter jack plug
• Operating Range：0 ~ 30°C, 15 ~ 90% RH
• Dimensions：71mm x 71mm x 26mm
• Easy to Install：Master Node connects easily to the Manager PC via the USB port. Unit easily wall mounted via included slimline bracket
• Software：Built in PPMonitor Wireless exclusive management software for Managment PC
• Sampling Rate：Configuration 1 (Carbon Dioxide): 1 parameter data value every minute.