ITEM NAME:Dummy Battery to D Tap Spring Coiled Power Cable for Sony NP F550 Monitor Bank Product Description Description: Feature: External power supply can be used for power supply of LED supplementary lamp, monitor, image transmission and other equipment. Specification: Input voltage: 10-20V Output voltage: 8V/3A Product line length: 30cm/11.81'' Stretch length: 100cm/39.37'' Applicable Batteries: V-port Batteries and for Anton Batteries Decoding: Non-decoding (not for camera) Battery box: 70*43*24mm/2.75*1.69*0.94'' Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X Dummy Battery to D Tap Spring Cable.Included: 1 X Dummy Battery to D Tap Spring Cable. Stretch length: 100cm/39.37". Battery box: 70 43 24mm/2.75 1.69 0.94". Product line length: 30cm/11.81". 12 months Warranty. If item is defective after 3 months, you can still send it back to us.