Specifications: 9-way PCB board features rust resistance, wear resistance and durability. Adopting high quality terminal block, it is anti-corrosion, flame-retardant, and will not rust after long-term use. Layout of components is scientific and reasonable to ensure high performance and high quality of products. Item Name: Switching Power Supply Material: PCB Modulation Method: Pulse Frequency Width Modulation Transistor Connection Mode: Full Bridge Type Input Voltage: 85-265V Output Voltage: 12V Work Efficiency: 90% Output Ripple Noise: 110mV P-P Output Voltage Accuracy: ±1.0% Voltage Adjustment Rate: ±0.5% Load Regulation Rate: ±0.5% Product Certification: CE Working Frequency: 50-60Hz Working Temperature: -20 - +60 Celsius Degree Features: Easy to Use, Safe, Durable Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Switching Power Supply