Speclite Twist-Lock Photocell – Reliable Dusk-to-Dawn Control Take full control of your outdoor lighting with the Speclite 100-277V Black Twist-Lock 3-Pin Photocell. Engineered for seamless integration with commercial and residential LED fixtures, this photocell automatically activates your lights at dusk and shuts them off at dawn — saving energy and eliminating the need for manual switching. Wide Voltage Compatibility One of the standout features of this photocell is its broad voltage range of 100V to 277V, making it compatible with virtually any North American electrical installation, from standard residential 120V systems to heavy-duty commercial 277V setups. Whether you're outfitting a parking lot, warehouse, or residential pathway, this unit adapts effortlessly. Industry-Standard Twist-Lock Design The 3-pin twist-lock configuration follows the ANSI C136.10 standard, ensuring universal compatibility with most outdoor LED area lights, wall packs, shoebox fixtures, and street lights equipped with a twist-lock receptacle. Installation is fast, tool-free, and secure — simply align, insert, and twist to lock. Built to Last Outdoors The durable black housing is designed to withstand harsh Canadian weather conditions, including UV exposure, rain, and extreme temperature fluctuations. A smart investment at just , this Speclite photocell delivers professional-grade performance without the premium price tag. Available now at Lumibox.ca with fast Canada-wide shipping.