Main Features: This sofa connector can keep your sectional together in one place and will not move or shift Easy to Use: Super easy to install locking hook in minutes, just slide it into place after the two brackets are fixed, you can finish locking your sofa Widely Use: Heavy duty brackets for sofa, recliner, chaise or lounger of large or small sections, headboard or box spring and other furniture Material: Made of heavy duty solid metal, the hidden wall mount brackets for headboard panel are thick and extremely sturdy, can be used for a very long time Package Included: 2 Pairs Sofa Connectors, Size: 120 x 50mm, Fashion Silver Color. which can prevent your sectional sofa from sliding. Screws not included Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received. Motion Detector Alarm, Infrared Motion Detector for Siren - Wireless Alarm Detector Set Motion Detector