Description:

4-CHANNEL: The MCU switch 4-channel reference voltage output with LED indicators.. HIGH ACCURACY STABILITY: Built-in AD584kh, highest accuracy and stability.. PORTABLE: Built-in lithium battery, easy to carry, can be by DC 5V,with indicator.. TRANSPARENT CASE: Transparent case can protect module from damage and provide clear view.. EASY TO OPERATE: Single-button operation switch reference voltage..