This 4-way relay module can be used to control various appliances and equipment with large current
Capacitance: 4700µF
S2M: This indicates the pitch and type of the belt
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UNI-T UT71A Intelligent True RMS Digital Multimeter – 20000 Count, AC/DC 1000V, 10A, Capacitance, 200MHz Frequency, Temperature, USB & Bluetooth, PC Software 1000mah battery This 4-way relay module canUNI T UT71A Intelligent 20000 count True RMS bench handheld digital multimeter with USB, Bluetooth and PC data logging software. Genuine UNI T product supplied by Digilog. pk with user manual and warranty. Key Features 20000 count True RMS with analog bar graph AC DC voltage to 1000V, AC DC current to 10A Resistance 20M, capacitance 20mF, frequency to 200MHz, temperature Duty cycle, continuity buzzer, Max Min, relative mode USB + Bluetooth data