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. Number of pieces delivered: 1 Material: ABS Measurement range: AC 80-300V The voltmeter is only suitable for AC 50-60HZ About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 91387 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.