Magnetic, IC, Airtight, New Construction Housing for our 4-inch Low Voltage Recessed Downlights. Designed and engineered for high performance in a compact fixture, 4- inch Low Voltage Recessed Downlights are styled with the elegance needed from the boardroom to the bedroom. Available for both IC and non-IC installations, a variety of decorative adjustable and wet location styles are available. Input: 277V. Bulb Type: AR111.