※Please refrain from purchasing if you are particular about the quality or storage condition, are nervous, are critical in your evaluations, or are concerned about stains, scratches, or wrinkles that cannot be confirmed in the images, as this is a private home storage. Also, returns are strictly refused. ★Product Description★ Security buzzer, alarm buzzer, door alarm Attaches to windows and doors. Easy installation type, no construction required. Operation confirmed. Opened for operation check. Requires 2 AAA batteries. Batteries are not included, so please prepare them yourself. Although unused, it has stains due to long-term home storage. Please refrain from purchasing if you are nervous.