Output Power: 4W-7W Input Voltage: AC 90-240V Output Voltage: DC12-24V Output Current: 300mA (+/- 5%) Casing Material: Engineering plastic With short-circuit protection Efficiency: 80% Power Factor: 0,6 Size: . 6.8 x 3.4 x 2.2cm Warning: This product for constant power supply, it is not suitable for LED strips or G4 products of constant power supply. package content:10 x constant transformer 10 x DC power cord Only 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.