HomeProduct Package Dimensions3.6 x 2.5 x 2 inches 3.6 x 2.5 x 2 inches Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 HiLetgo 3pcs HC-SR501 PIR Infrared Sensor Human Body Infrared Motion Module for Arduino Raspberry Pi $8.49 Check New Price on Amazon