ELPA Slim Alarm ASA-W13-2P (PW) Set of 2 New, unopened Size: Width 33 x Height 93 x Thickness 8 (mm) The items shown in the image are all that will be sent. Please refer to the photos for the product condition. [High-Sensitivity Sensor] This ELPA security alarm detects impacts and openings of windows and doors with high sensitivity and immediately issues an alarm. It is ideal for those who want to enhance their security. [Easy Installation] Installation is simple and requires no special tools. It can be easily attached to your home's windows and doors and used immediately. [Loud Alarm] The alarm sound is loud and effectively warns those around. It is highly effective as a crime prevention measure.