b' Features: Universal fits for most for DC 12V vehicle, Car/Buses/Trucks Cannot be cut for Ideal for winter driving or any bad weathers (rain,fog,snow etc) Self-adhesive heat pads for side mirrors heating wire,98% thermal conversion rate Corrosion resistant,with overheated for protection(fuse included) Quick warming,remove snow/frost/ice/raindrop/fog drop immediately No more need for snow/ice scraping or water drop wiping on mirror Notice: The for time which is needed to fully defrost your mirrors depends on the weather. Usually it takes about 2~4 minute How to install: 1.Remove the glass surface from the mirror 2.Stick the heated pad at the back of removed glass surface 3.Connect the pad to for DC 12V power, then put the glass surface back to mirror Specifications: Power: about 13W each piece Working Voltage: for DC 12V Size(each piece): approx 16cm(6.25)x12cm(4.75) Cable Length: 5m Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Contents: 2x mirror glass heated pad defoggers 1 x a roll of adhesive tape 1x 16A 12V power switch 1x cable 1x fuse holder'