Presence detector for surface-mounted ceiling, with a coverage angle of 360 degrees and a detection field of 3 to 12 meters at a height of 2.2 to 4 meters Detection distance: a radius of 3 to 12 meters InstallationWe recommend its installation indoors because its protection index is IP20 This product measures 58x115 mm; Compact, light and durable Reliable Durability Our products guarantee sustained performance, providing a reliable and long-lasting investment Quality finishMade mainly of Flame Retardant ABS for maximum reliability and durability Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received .