Detailed parameters apply to: LCD input voltage: 100-240V 50/60Hz (wide voltage input, in line with global standards) Output voltage: 12V(Voltage)-3A(Current)Output interface: 5.5*2.5(Outer diameter 5.5mm inner diameter 2.5mm)Power supply power: 36W Safety detection: overcharge protection, intelligent power supply, overcurrent, overvoltage, constant temperature, short circuit(OCP OVP OTP SCP)protection. Applicable models: Applicable to all LCD 12V3A (interface 5.5mm*2.5mm) machines, if you are not sure, please contact customer service before buying! Warm reminder: Our products are quoted without AC power cord; if you need Please contact us for AC power cords. We will provide you with a variety of power cords that meet your needs.(Chinese standard)Gauge lines, etc., the price is 50 pcs/carton, simple packing in grid box, standard transparent bag