For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

【Resistance Test Mode】The probe contacts one end of the measured resistance, and the auxiliary ground wire is connected to the other end of the measured resistance. The LCD will display the resistance between the needle tip and the auxiliary ground. When the resistance value is less than 30Ω, the meter buzzer will alarm and the green LED will be on. This function can be used for continuity testing.

【Duty Cycle Mode】Press the mode key to enter the menu, short press the down key to place the cursor in the duty cycle mode, and then press the mode key to switch to the waveform display. The LCD display will display the minimum duty cycle, maximum duty cycle, and real-time display of signal waveforms.

【Frequency Mode】Press the mode key to enter the menu, short press the down key to place the cursor in the frequency mode, and then short press the mode key to enter the frequency waveform display mode. The LCD display will display the minimum frequency and maximum frequency, and display the signal waveform in real time.

【Fuel injection Mode】This is specially set up for quick and easy diagnosis of the injector circuit. Quickly connect to the circuit, and KM50 will display all required injector test information. To reset the maximum and minimum values, press the mode button twice. In this mode, if a valid injection pulse is not detected, a bar symbol will be displayed.

【No-risk Purchase】Our main goal is make your purchase happily and you are satisfied with our products. If you don't like our product or get the defective item. Please let us know, we will solve it as soon as possible. Just try it!