Features: Universal fits for most for DC 24V vehicle. Cannot be cut, please make sure your side mirror size bigger than our pads. Oversized, 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. for Ideal for winter driving or any bad weathers (rain, fog, snow, etc). Notice: The for time which is needed to fully defrost your mirrors depends on the weather. Usually it takes about 2~ 5minute. Specification: Working voltage: for DC 24V Power: about 13W each piece Dimensions: 38x18cm/14.96x7.09inch Color: As Shown Quantity: 1 Set Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 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. Package includes: 2 x Rearview mirror heated pad 1 x Power cable 1 x Protective tube 1 x Power switch 1 x Fuse holder