12V Outdoor Waterproof Infrared Microwave Motion Sensor Safety Reminder Speaker Solar Induction Voice Prompter Reservoir Safety Warning Alarm Horn Item Type: Waterproof Infrared Microwave Motion Sensor Safety Reminder Speaker Model: WT W13 Solar Model Product Material: Plastic Weight: Approx. 3350g / 7.4lb Solar Panel Size: Approx. 35 x 35cm / 13.8 x 13.8in Remote Control Battery: CR2025 Button Cell x 1 (Shipped With Build In Battery) Voice Prompt Operating Current: Sleep State: ≤ 100UA Playback State: ≤ 4000MA Voice Prompt Charging Current: ≤ 1400MA Voice Prompt Battery: Lithium Battery 7.4V, 4000mAh (shipped With Build In Battery) Sound Format: MP3 Waterproof Grade: IPX5 Induction Method: Infrared Induction Sensing Range: Approx. 0-8m / (Front Sensing Distance) Alarm Method: On Site Alarm Alarm Sound: ≥ 100dB (Parallel Interval Of One Meter) Working Environment: -20℃ ~ 33℃ Change Voice Mode: Connect A USB Cable To The Computer Voice Prompt Size: Approx. 220x95x70mm / 8.7x3.7x2.8in Application: 1. Fire prevention tips for forest scenic areas 2. Regular reminder of park closure 3. For field security prompts Connect to computer voice replacement: 1. Change the name of the MP3 voice file that needs to be replaced to A001, A002. 2. Use a USB data cable to connect the computer and voice prompt (it is recommended to turn off the prompt first). 3. The computer recognizes the removable disk, opens it, and places or replaces the voice with the changed name on the removable disk. 4. Disconnect the USB data cable to sense playback normally.