Features: Brand new and high quality This 0-99.9V ranges digital window voltage comparator has wide measuring ranges which is from 0 to 100 so that it is suitable for many occasions of voltage comparison This operating voltage measurement over voltage under voltage protections module has a high measuring accuracy which is up to + 0.1V so it is suitable for general accuracy measurement This 0-99.9V measuring ranges dvb01 digital display operating voltage measurement has the function of all settings parameters can be automatically saved so the content of power loss is no lost This over voltage under voltage protections module provide 5 functions of voltage measurement, charge monitoring, discharge monitoring, pull-in within the interval, pull-in outside the interval for users to choose The red dvb01 digital window voltage comparator for voltage measurement has new 0-99.9 seconds delay pull-IN and 0-99.9 seconds delay the pull-off function Specifications: Material:PCB Type:5V/12V/24V Measuring range: 0-100 V. Measurement accuracy:+/-0.1V Size:Approx.67x44x20mm/2.63x1.73x0.78inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Digital Voltage Comparator