A sleek satin nickel silver finish gives this wireless push button a refined look that pairs well with modern locks and exterior hardware while remaining compact enough for narrow door frames. The weather-resistant plastic housing installs easily on most flat surfaces and works with Heath Zenith wireless chime systems, making it a simple upgrade or replacement for existing setups. | Heath Zenith | | Satin Nickel Silver Plastic Wireless Pushbutton Doorbell | Best Buy