New quality! We provide you with high quality transformers. Easy to install and . Output power: 4W-7W Input voltage: 90-240 volts Output voltage: DC12-24V Output current: 300 mA (+/- 5%) Materials: engineering plastic Short circuit protection. Efficiency: 80% Power factor: 0.6 Size: approx. 6.8 x 3.4 x 2.2 cm Warning: This product is a constant power supply and does not apply to LED light strip or G4 product constant power supply. Package Contents: 6 constant transformer 6 DC power cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.