power adapter from the power transformer, rectifier circuit, shell composition. DC cable connector diameter (d) is 2.1mm, diameter (D) is 5.5mm, thickness (B) is 10mm. 12V power adapter is high-speed operation,durable, not easy to bad. These power adapter features: product size: 74 * 30 * 42mm, small size, streamlined, completely sealed, easy to carry.cost-effectiVe, high reliability, ultrasonic pressure shell. built-in oVerVoltage, over current and short circuit protection. Widely used in digital, LED lighting, stage lighting, security, home appliances and other products, is the most widely used in the electronics industry.Products with strong anti-interference, to ensure the use of long life products, through the EMC test, ripple ≤ 50MV.Widely used in Monitor,router and other products.Output conVentional Voltage 5V 12V 24V 36V 48V, the other can be produced according to customer requirements.