Feature:1.Efficient work and low temperature2.With the functions of overvoltage protection, short circuit protection and overload protection3.Constant current output, to ensure the stability of the power supply4.With the anti-interference function, to ensure the long-life LED lampsOutput power: 3WInput voltage: AC 90-240VOutput voltage: DC 9-12VOutput Current: 300mA ( 3%)Shell material: engineering plasticsProtection: Short Circuit ProtectionConversion efficiency: 70%Power Factor: 0.6Size: about 6.8 x 3.4 x 2.2 cmPackage Content:2 x Constant current driver2 x DC power line In original packageOnly the above package content, other products are not included.Note: Light 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.