Check the listing for details. Portfolio Landscapes Linkable Photocell Sensor Controller Timer. Condition: New, Made in China. Listed at 13.95 USD. The Portfolio Landscapes Linkable Photocell Sensor Controller Timer is a versatile electrical switch designed for light control in home landscapes. With its timer operation method, this controller allows for convenient scheduling of outdoor lighting. Made by the brand Portfolio, this model is specifically designed for linking multiple photocell sensors together for expanded functionality. Manufactured in China, this product is ideal for controlling and automating lighting in your garden or patio.