The FAAC XP20W is a directional photocell designed to enhance safety in automated gate and barrier environments. It features a modulated infrared beam with a range of up to 20 meters, and includes four channel settings to prevent interference in areas with multiple photocells. The XP20W is ideal for both wall and column mounting, offers easy installation, and is suitable for varied architectural contexts due to its compact size and both Battery or cable power options on the transmitter.