Installing the alarm detector cover is quick and easy. Simply snap the cover onto your existing detector, and it will provide immediate protection against debris. This cover is compatible with most standard detectors, making it a versatile addition to your fire safety equipment. Keep your detector clean and reliable with this convenient protective cover. Features -Color:Red -Material:ABS -Size:10.70X9.50X2.00cm/4.21X3.73X0.79in -Safety:This innovative device significantly reduces the likelihood of false alarms, ensuring a more secure and reliable environment for all users -Protection:Equipped with shield, it effectively prevents debris from interfering with detector, thereby extending its operational life -Installation:The setup includes easy-to-follow installation steps, making it convenient for users to install the device on their own without any professional help -Construction:Featuring -through design made from clear plastic, it does not obstruct detector's sensing ability, ensuring optimal performance -Use:With wide applicability, this product is for use in homes, offices, and retail spaces, providing comprehensive safety coverage for various environments Package list: 4 pcs x 4pcs detector protective cover