Compact infrared motion activated sound speaker with US plug, designed for clear automatic announcements in indoor and outdoor public areas. Uses PIR motion detection to play pre recorded MP3 messages when people pass within its 0 to 8 meter sensing range. Weather resistant construction and low standby power make it suitable for continuous use in parks, transit zones, retail spaces, and docks. Key benefits Automated alerts that reduce manual monitoring: motion triggered playback delivers immediate audio messages for crowd guidance, safety reminders, or directional information. Remote from your phone: adjust volume, choose MP3 files, set schedules, and change sensing distance via the mobile app within a 10 meter wireless range. Reliable outdoor performance: waterproof housing and low standby current support prolonged outdoor deployment while maintaining stable operation. Flexible control and fine tuning: physical buttons plus app control let you choose 2 stage sensitivity, modify output volume up to 10W, and adapt settings to changing environments. Main features Motion activation: PIR infrared sensor automatically triggers playback when human movement is detected within 0 to 8 meters. App : wireless control up to 10 meters for volume, MP3 file selection, schedule programming, and sensing distance adjustment. Dual control options: local physical buttons for quick changes and full settings available in the mobile app. Programmable operation: supports timed playback cycles, scheduled activation periods, and synchronization with emergency lighting through the app. Durable design: ABS housing with waterproof construction and energy efficient electronics for extended outdoor use. Performance and compatibility Sound format: MP3 supported Audio output: 10W into 8 ohm load with alarm volume of 100 dB or higher Power consumption: standby current up to 20 mA; playback current up to 800 mA Wireless control range: up to 10 meters Infrared sensing range: 0 to 8 meters Material: ABS Size: US plug Typical applications Transit stations and bus stops: automatic announcements for boarding guidance, route information, or crowd control. Shopping centers and retail entrances: play promotional messages, directional prompts, or store policies when customers enter. Parks and docks: deliver safety reminders, opening hours, or location guidance without requiring staff presence. Package contents 1 x Infrared motion sensor activated sound speaker 1 x Adapter 1 x Instruction manual Setup and use Ready to use after simple DIY installation. Use the built in buttons for basic configuration or the mobile app for full , scheduling, and sensitivity tuning.