Premium brass construction with antique bronze finish ensures durability and weather resistance, operating flawlessly in extreme temperatures from 4°F to 240°F for year round outdoor reliability Perfect for enhancing entryway functionality in traditional farmhouse settings or modern homes, this weatherproofed doorbell switches withstands rain, and temperature fluctuations at main or porch entries Constant LED Illuminated provides gentle nighttime visibility without heat generation, featuring a 5 inch ( 13.2 3.3 2.5CM) with pre drilled holes for simple installation compatibility with 8 24V systems Seamlessly integrates with mechanical chimes and digital doorbell systems ( diode required for digital), combining antique bronze sophistication with practical features like waterproof casing and universals wiring compatibility for upgrades Ideal for households welcoming elderly visitors or children, its oversized button enables easy operations even with gloves while maintaining elegant curbs appeal through vintage hardware aesthetics, Manufacturer: XIBEIDIANZI