Infrared Motion Sensor Activated Sound Speaker This outdoorready announcement speaker uses PIR motion detection to play pre recorded MP3 messages automatically when people pass within 0 to 8 m. It combines low power consumption, waterproof housing, and Bluetooth app control for reliable, public alerts and timed announcements. Key benefits Hands automatic alerts: PIR sensor triggers announcements as people enter the sensing range, reducing the need for manual paging and improving crowd management. Easy : Change volume, select MP3 files, set schedules, and adjust sensing distance from a mobile app via Bluetooth up to 10 m. Durable outdoor performance: Waterproof ABS housing and low standby current make it suitable for prolonged outdoor use while conserving power. Flexible control options: Use onboard buttons for quick adjustments or the app for full configuration including sensitivity and playback scheduling. Clear, powerful sound: 10 W sound output and at least 100 dB alarm volume ensure messages are heard in noisy environments. Features Activation method: PIR infrared motion sensor, detection range 0 to 8 m Audio format: MP3 supported Sound power: 10 W, 8 ohm speaker Alarm volume: at least 100 dB Power consumption: standby current no more than 20 mA; playback current up to 800 mA Connectivity: Bluetooth wireless control up to 10 m Material: ABS housing with waterproof design Controls: physical buttons plus Bluetooth app for twostage sensitivity tuning and volume adjustment Programmable modes: timed playback cycles, scheduled activation, emergency light synchronization through the app How it solves common problems Replaces manual announcements in busy public areas, ensuring consistent message delivery. Conserves energy with low standby draw while remaining ready to respond to motion. With app scheduling and MP3 support, it allows preprogrammed messages for daily routines, special events, or emergency alerts. Weather resistant housing protects electronics in outdoor settings such as parks, docks, and transit stations. Typical applications Public parks and outdoor recreation areas for visitor alerts and safety reminders Transit stations, bus stops, and docks for scheduled announcements and boarding information Retail entrances, building lobbies, and exhibition spaces for promotional messages or directional guidance Package contents 1 x Infrared Motion Sensor Activated Sound Speaker 1 x Adapter 1 x Instruction Manual Usage note Ready to use after DIY installation and simple setup via physical buttons or the mobile app.