Different batches, random labels will not affect the use Colour:As Shown Material:Metal Package Contents: 1 supply Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. [Power supply - high power capacity] A 12 volt 20 ampere transformer delivers a 12 volt direct current power supply.This can be used to deliver the low voltage performance that requires electronic devices.The 20 amper power capacity shows that the transformer is suitable for devices that require high currents.This is perfect for powerful engines, amplifiers or other electricity -intensive devices [Easy installation] can usually be easily installed.As a rule, they have at the beginning and output connections and can be connected to a standard socket.This enables users to install the transformer quickly and easily [Security measures] are usually equipped with protective mechanisms for overload or overheating.This ensures the safe operation of the devices and prevents damage to the transformer when overloading [Universal use] The power supply driver transformer was developed with advanced PWM technology and is widespread in LED lighting, household appliances, instrumentation, office automation, telecommunications, process and engineering industry Input voltage: AC 110V/220V.Output voltage: DC 12V 15a.The maximum performance is 180W