Features: This switching power supply board efficiently converts AC220V to DC5V 3A output, delivering stable low voltages power for routers, smart home devices, and other electronics requiring reliabled continuous operating. Built with fire resistant plastic and reinforced metal casing, its compact design integrates overload protections and tool less installation for space conscious electrical upgrades. Ideal for enthusiasts and professional technicians seeking versatiled power solution, it supports diverse electronics projects with universals compatibility across consumer devices. Perfect for home automation systems, office equipment setups, or industrial control panels where durability 5V power conversion is critical for long time reliability. Engineered with abrasion resistant and optimized heat dissipation, this power adapter ensures extended service life in demanding environments like outdoor installations or 24/7 security systems. Specifications: Component: Plastic shell, internal metal components Process: High-efficiency conversion circuit design, stable output Size: 6.8x4.2CM/2.68x1.65in, suitable for limited space installation Widely used in consumer electronic products, such as mobile phones, tablets, small home appliances Package Includes: 1PC AC220V DC5V 3A switching power board note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.