The range of voltage measurement AC80-300V(Resolution 1V) The range of current measurement 100A(0.00~99.99A)(Resolution 0.1A) Display mode LCD Blue Background Black Word( Size:48*24.5cm) Display color Red + red/ red + blue/ blue + blue Measurement accuracy 1% 2 digits Measurement speed about 2 times per second Dimensions 70 * 40 * 30 mm Installation dimensions 68 * 38 mm Power supply line, measuring line length about 150mm "split" transformer lead length about 100mm Working temperature -10 ~ + 50 Working humidity 10 ~ 80% (without condensation) Working pressure 80 ~ 106 kPa Sunshine No direct exposure Features: Split: easy to install, the transformer is separated from the instrument, and the transformer can be installed according to the actual position of the measurement (it can lengthen the lead at the second end of the transformer to reach the ideal installation position). Easy to use,you just need some steps to install the meter and it will work. It is made of premium material,durable and has long service life. It is stable and has great performance while using.