Oscilloscope Probe High Voltage Differential Probe HT8050 / HT8100: This series high voltage differential probe has two options of attenuation, 1/50 and 1/500. The difference module measurement range is 130V (DC+peakAC) and 1300V (DC+peakAC). Oscilloscope Probe High Voltage Differential Probe HT8050 / HT8100: This series high voltage differential probe has over range warning function, indicates by red LED light. Oscilloscope Probe High Voltage Differential Probe HT8050 / HT8100: This series high voltage differential probe has small and nice appearance, firm and durable structure, good stability, reliability and accuracy. Batteries 1 Lithium Polymer batteries required. (included) Item Weight 2.2 pounds Manufacturer Qingdao Hantek Electronic Co., Ltd(Hantek) Item model number QD-HT8100 Product Dimensions 5.91 x 7.87 x 1.97 inches Is Discontinued By Manufacturer No