Rd27m 33v 3a 7 In 1 Universal Voltmeter Ammeter Electrical Parameter Tester rechargeable power Connect signal (s) to any

Connect signal (s) to any digital pin on the Arduino

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

Upgrade your connections with our 4 Pin 12mm XLR Cable Connector

Rd27m 33v 3a 7 In 1 Universal Voltmeter Ammeter Electrical Parameter Tester rechargeable power Connect signal (s) to anyThis 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,