Made of nylon andElectronic Componentsmaterial, unique key start let you use it freely just like the original switch panel, let you use it more easily and conviently. Replace your old brokened switch panel perfectly. Caution: Please Drill an 40mm diameter hole to install it in before install. Features - Color: Black. - Material: Nylon+Electronic Components. - Size: Approx. 6.9 x 6.9 x 5.2cm. -Switch Ratings: DC 12V. - Panel Rating: 10A. -Mounting Depth: 45mm. - Panel Cut-out diameter:40 mm. - Made ofhigh quality nylon material, durable and provide long service life. - Special Key start design, just like using origin switch panel. Easy to use and high safety. - 12V universial voltage, fit for most knid of vehicle use perfectly. - Caution: To install this panel you need to drill an 40mm diameter hole on the place you want to install first. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you