Meters -1 Channel High Level Optocouple Isolation Driver Relay Module 3v Board Highlights Generic Brand 1 Channel High Level Optocouple Isolation Driver Relay Module 3v Board Description: Indicator light indication of output signal. Signal input port can connect microcontroller IO port, high level signal. Dual power selection design anti-interference ability is strong, photoelectric isolation protection of high reliability. Diode current protection. Can control 10A 250VAC, 10A 30VDC load. Long relay life can absorb 100000 times continuously. The external connection uses the rotation crimp terminal, make the connection more firm. With fixed installation hole, convenient installation. Specification: Size: Approx. 70 x 17 x 20mm / 2.8 x 0.7 x 0.78in The response time: less than 20 milliseconds Package includes: 1 channel optocoupler isolation module