Wemore(TM) TU-D99C Multifunctional Digital AC/DC Voltage Tester Pen Continuity Tester W/ LCD Display Indicator Lamp Voltimetro Color: black & yellow Power Supply: 2 * 3V CR927(included) Package Size: 20 * 9 * 2cm / 7.8 * 3.5 * 0.7in Package Weight: 40g / 1.4oz Package List: 1 * TU-D99C Digital AC/DC Voltage Tester