Features: This automatic car door light switches activates interior lights upon door opening and delays turning off after closing, enhancing nighttime safety and convenience without manual operate, perfect for car owners seeking sensors switches upgrades. Featuring a black flame retardant ABS shell and high conductivity copper alloy contacts, for most cars and SUVs with easy installation using standard clips or screws, ensuring long term reliability in damp and vibrating environments. Ideal for vehicle owners, enthusiasts, and auto repair shops look for a replacement switches to improve interior lighting systems without complex modifications. Designed for scenarios like nighttime entries and exits, it automatically illuminates the car interior when door open, resisting dust and moisture with IP54 protections for consistent performances in various driving conditions. Offering waterproof and dustproof features on select models, this automatic switches prevents short circuits and ensures smooth button operate, making it a cost effective solution for enhancing car door light functionality. Specifications: Component: ABS, metal Size: about. 4x4x2cm/1.57x1.57x0.78in Pattern: 2pcs/4pcs Package Includes: 2pcs / 4pcs Car Light Switches Button note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.