Practical for Voltage Meter USB Voltmeter OTG Interface Voltage Meter -40~40V Data Save File VoltOTG for Android-Phon

USB Voltage Meter OTG Interface Phone USB Tester Voltmeter -40~ 40V for Data Save File Function Voltmeter Phone USB Voltage Tester Meter OTG Interface Voltmeter -40~ 40V for Data Save File Function Voltmeter Description: brand new,high quality Features: This is a for voltage meter It is an mobile phone voltage meter which based on the USB OTG interface, through the matching adapter it can also be connected to the computer USB port. VoltOTG probe to the USB is not any isolated, so it is not recommended to measure high voltage. The matching mobile phone software can see the measured signal waveform,with data saved and other functions Portable and easy to carry Specification: Material: Plastic Size: Approx. 20x17x2cm / 7.87x6.69x0.79inch Mearsurement : -40~ +40V AD Coversion Rate: 15~240SPS USB Communication: 115200BPS Accuracy: 1% Note: mobile phone must support the OTG function then it can be used   Package Includes: 1 x Voltmeter 4 x Probe 2 x USB Conversion Adapter (MicroUSB to A-USB, MicroUSB to Type-C) 1 x Instruction Manual