Widely use for home, construction industry, machinery and electronic equipment, etc. In order to effectively protect your home appliances and appliances life (you can also be a simple test table of voltage). Suitable for measuring AC voltage in many place, such as office, factory, laboratory, household and so on. The biggest advantage is that, if you see the current voltage too low or too high is. Backlit blue screen, easy to read in dark environments. To monitor the electrical safety use voltage. PC material: effective flame retardant using flame retardant PC material with good insulation effect. Plug type: round plug Installation size: 56*60*41mm Shell color: white Measurement range: AC (AC) 80-300 v Color white Quantity delivered: 1 piece