Identification & Application Area Lighting Research AA-105 1800W Photocell Button Eye & Weatherproof Plate 120V The Area Lighting Research AA-105 is a line-voltage button-eye photocell designed to automatically control outdoor lighting from dusk to dawn. Operating on 120VAC electrical systems, the AA-105 supports connected lighting loads up to 1800 watts and includes a weatherproof mounting plate for convenient installation on building exteriors, decorative post lanterns, wall-mounted fixtures, and other outdoor lighting applications. Its compact button-eye design provides dependable photoelectric switching while maintaining a clean, low-profile appearance. The AA-105 features a heavy-duty thermal switching mechanism with a built-in time delay that helps prevent nuisance cycling caused by lightning, vehicle headlights, or other temporary light sources. Rated for 1800 watts tungsten and 1100 VA ballast loads, it is suitable for controlling incandescent, HID, and other compatible outdoor luminaires. The weatherproof wall plate provides additional protection from moisture while simplifying installation on exposed exterior surfaces. Designed for dependable long-term outdoor operation, the AA-105 utilizes a weather-resistant polycarbonate housing with a cadmium sulfide (CdS) light sensor for reliable dusk-to-dawn performance. The unit is UL Listed, CSA Certified, and designed for commercial, industrial, municipal, and residential applications including porch lights, post lanterns, wall packs, security lighting, decorative fixtures, and building perimeter lighting. Technical Performance Specifications Brand Area Lighting Research Model AA-105 Product Type Button Eye Photocell with Weatherproof Plate Electrical 120VAC; Operating Range: 105-130VAC; 50/60Hz Load Rating 1800W Tungsten; 1100 VA Ballast Control Characteristics Automatic Dusk-to-Dawn Operation; Built-In Time Delay Light Sensor Cadmium Sulfide (CdS) Photocell Mounting Button Eye with Weatherproof Wall Plate Construction UV-Resistant Polycarbonate Housing; Stainless Steel/Weatherproof Mounting Plate; Rear Wire Leads Operating Temperature -40°C to +65°C (-40°F to +149°F) Applications Porch Lights, Decorative Post Lanterns, Wall Packs, Building Exteriors, Security Lighting, Commercial Buildings, Residential Lighting, Outdoor Decorative Fixtures Certifications UL Listed; CSA Certified; ANSI C136.24 Compliant Features Weatherproof Wall Plate Included; Automatic Dusk-to-Dawn Operation; Compact Button Eye Design; Heavy-Duty Thermal Switch; Weather-Resistant Construction Documentation See spec sheet.