description heavy-duty true-rms 400 amp electrical clamp meter upgrade your existing electrical current measuring capabilities with the accurate and durable 400 amp clamp meter. it is the ideal tool to assist you in a variety of different electrical measurement applications and provides you with professional results. simply install the two included aaa batteries into this heavy-duty true-rms clamp meter and you are ready to get started. with up to 400 ac amp measurements, it features a thin jaw profile that lets you get into smaller areas and allows measuring wires in bundles and panels. a 1.3-inch jaw opening gives you the ability to test currents on a variety of conductor sizes. the backlit display on this milwaukee? heavy-duty 400 amp electrical clamp meter has a design that is easy to read and an led light is built in to help you make quick work of jobs in darker spaces. the true-rms feature ensures measuring accuracy with a wide voltage range up to 600 ac/dc volts. california proposition 65 warning. features includes (1) 400 amp clamp meter, (1) electrical test lead set, (2) aaa batteries and a manual up to 400 ac amp measurements 1-inch jaw opening allows current testing on a variety of conductor sizes backlit display that is easy to read led light is built-in true-rms for measuring accuracy wide voltage range up to 600 volts ac and dc 5-year warranty specifications ac voltage 600 v acme tools brand name milwaukee acme tools part number 2235-20 application n/a assembled weight (lbs) 1.5 california proposition 65 warning required no case included no color / finish red with black overmold continuity yes country of origin taiwan csa certified yes dc polarity indicator yes dc voltage 600 v depth (in) 10.5 digital / analog digital etl listed yes globaltradeitemnumber (gtin) 00045242236930 impedance yes internal supplier part # 223520 internet product code (ipc) 7a24b933318 manufacturer warranty 5 years material polycarbonate with rubber overmold maximum amperage (a) 400.0 meter type clamp non-contact voltage detection yes package depth 10.45 package height 1.95 package weight 1.13 package weight (lbs) 1.5 ul listed yes upc 045242236930