✨ Follow-up discount available, simultaneous purchase discount available ♢ For details, please see my profile ♢ Feel free to comment (^-^)/ ✨ All items are free shipping and anonymous delivery ✨ All items are available for immediate purchase Even if the product is brand new, It may have been opened once for inspection and photography. Please be aware m(_ _)m 【Product Description】 【Infrared Detection】 When a person comes to a specific location, the sensitive motion sensor automatically plays audio. The detection range is up to 13 feet and 120°. The volume is up to 90dB, loud and clear day or night. 【Customized Music】 Audio files can be freely replaced with a USB data cable. Download audio files from your computer and connect the PC with a USB data cable. (We recommend using a Windows 7 PC) Recording time up to 4 minutes (built-in) 4MB). This product only supports USB data cable to replace audio, and does not support TF card. The card slot is for decoration only. (The product comes with some sounds (such as screams). You need to download other music and replace it yourself.) [MP3 audio file] Single cycle or order playback. Built-in haunted house scary sounds. If you have better sound files or other applications, you can program the sound. 【Applicable Range】 Widely used in haunted houses, indoor Christmas sound decorations, music boxes, welcome door greetings, animal repellents, prank games, etc. (Animals may not be recognized if they are small. Please note.) 【Easy Installation】 Includes mounting screws and ball mounting accessories, convenient and easy installation. Approximately 1.5 meters above the ground, 1 meter from the door frame. Use the mounting holder to secure the device towards the door at 45°. Small size, length 9cm * 6cm * 2.66cm, width, height. Motion Activated Voice Alert Player - PIR Sensor Voice Reminder with Replaceable Voice via USB, suitable for sales advertising / shop / entry alert / haunted house / safety warning / special effects sound (Black)