Supports various resolutions
its lightweight and compact design makes it easy to integrate into portable devices and DIY projects
32 Single Channel Relay module 5V Relay interface board
This indicates the amount of electric current the power supply can provide to the connected device
Antennas Connector
Rd27m 33v 3a 7 In 1 Universal Voltmeter Ammeter Electrical Parameter Tester rechargeable power Supports various resolutionsThis electrical parameter meter is adopted of OLED digital display screen, which is clearer and more intuitive. 7 1 multi function measurement parameters, suitable for engineering monitoring power DIY charging meter car battery, etc. Features: Adopted of OLED digital display screen, which is clearer and more intuitive. 7 1 multi function measurement parameters, main measurement parameters: running time, temperature, current, voltage, power, capacity,