Specification: _x005f_x000D_ Certification: NONE _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Model Number: Relays Control Module _x005f_x000D_ Main components: EL817, SRD-DC03V-SL-C _x005f_x000D_ Voltage: DC 3V/3.3V _x005f_x000D_ Can control 10A 250VAC, 10A 30VDC loads _x005f_x000D_ Product weight: 20g _x005f_x000D_ Product size: 70*20*17mm/2.76*0.79*0.67in _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Isolated Drive Control Board 1. Output Signal Indicator: Equipped with an output signal indicator light, this dc 3v/3.3v high level driver module allows users to easily monitor and confirm the status of the signal output. 2. MCU-Compatible Input: With a signal input port that can be connected to MCU I/O pins, high level trigger provides a high-level signal drive and is compatible with various microcontrollers for easy integration into electronic projects. 3. Dual Power Supply Design: Featuring a dual power supply design, this product has strong anti-interference capabilities and reliable optical isolation protection, ensuring safe and stable signal transmission even in noisy environments. 4. Diode Continuity Protection: Equipped with diode continuity protection, optocoupler relay module can prevent any reverse current from dam aging the device and provide additional safety for your electronic projects. 5. Fast Response Time & Long Relay Life: With a response time of less than 20 milliseconds and a relay life of up to 100,000 continuous operations, high level driver module delivers fast and reliable performance for various automation and control applications.