Bft Compacta A20-180 Safety Photocell Safety Sensor for Automation Door Products. Original Italian Product. Pair of adjustable photocells, designed to offer a high level of flexibility thanks to its compact size, the head can be adjusted horizontally, left and right by 90° (180° in total). A wide input power supply in the range of 12-33Vac to 15-35Vdc. 20 meters range. 5 years warranty Technical Specifications: Supply voltage: 12 - 33Vac/15-5Vdc Nominal Range: 20 meters Horizontal adjustability: 180 ° Protection degree (IP): 44 (IP)