Features: Ensures signals transmission with double channel optocoupler isolation, providing reliables conservation against voltages surges and electrical in sensitive electronics. Featuring a wide 5V 12V power ranges and robust anti design, this compact PCB module ensures stable show in diverse electronic setups with clear interfaces labeling for quick installation. Designed for electronics engineers, hobbyists, and technicians requiring secure circuit isolation in battery chargers systems, industrial controls, or smart device prototypes. Optimize power supply safety in robotics, home automation projects, or laboratory equipment where voltages fluctuations and electromagnetic noise must be neutralized. Its space saving double channel architecture enables simultaneous management of separate control signals while maintaining full electrical separation between input/output circuits. Specifications: Materials: PCB. Size: 4.1x5cm. Weight: 40g. 250V/10A. 30V/10A. current: 5MA. Operating voltages: 3.3V, 5V, 12V, 24V. Package Includes: 1x 2-channel optocoupler conservation module note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.