Features: All angles accurate coulometer voltmeter, which can measure voltage value, is equipped with 50 shunt and 50cm data line. High precisions measurement, full angles display, easy to carry, equipped with a variety of accessories, suitable for various voltage test scenarios. Electronic engineers, maintenance personnel, electrical enthusiasts, students and other people who need voltage testing. Various voltage test scenarios such as home appliance maintenance, circuit experiment, electronic equipment test, teaching laboratory, etc. Ensure accurate voltage measurement with our high precisions energy power meter. Experience convenient portability and a wide viewing angles with our meter's full angles display. Specifications: Material:ABS Style:As Picture Shown Color:Black Coulomb meter host:Approx. 64.6x35.6x19.5mm Opening size:Approx. 61x32mm Package Includes: 1 Set Coulomb Meter 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. Thanks for your understandings.