lluminated Outdoor Wall Clock with Backlit Dial – Unique full backlit dial automatically illuminates at dusk and shuts off at first light, with a four-hour timer to conserve battery power. Weatherproof Bronze Metal Case – Robust, two-step matte bronze metal construction with fully rubber-gasketed movement and glass lens ensures durability in any climate. Built-in Thermometer & Hygrometer – Adjustable temperature (°F/°C) and humidity instruments help maintain the most accurate readings no matter where the clock is mounted. Large 22″ Diameter, Compact 3.5″ Depth – Oversized design ensures visibility from across your patio or porch—with a sleek profile that fits easily against any wall. Convenient Battery-Operated Setup – Powered by a single AA battery for precise quartz timekeeping and four D batteries for the backlighting (all batteries not included) for effortless installation and maintenance.