Features 1Supported Functions: Support connecting to the computer to change voice support remote control sound adjustment and track selection. 2IPX5 Outdoor Waterproof: Outdoor waterproof design using special anti aging materials long service life. A 10W speaker with a loud sound. 3Energy Saving: Built in battery easy to use at any time powered by solar panels energy saving and environmental protection. 4Sensitive Sensing: Infrared pyroelectric human body sensing sensitive sensing and with a wide sensing range. 5Integrated Design: The integrated design of the host and solar installation bracket makes it easy to install and use. Specification Item Type: WaterproofInfraredMicrowaveMotionSensorSafetyReminderSpeakerModel: WT W13 Solar ModelProduct Material: PlasticWeight: Approx. 3350g / 7.4lbSolar Panel Size: Approx. 35 x 35cm / 13.8 x 13.8inRemote Control Battery: CR2025 Button Cell x 1 (Shipped With Build In Battery)Voice Prompt Operating Current: Sleep State: 100UAPlayback State: 4000MAVoice Prompt Charging Current: 1400MAVoice Prompt Battery: Lithium Battery 7.4V 4000mAh (shipped With Build In Battery)Sound Format: MP3Waterproof Grade: IPX5Induction Method: Infrared InductionSensing Range: Approx. 0-8m / (Front Sensing Distance)Alarm Method: On Site AlarmAlarm Sound: 100dB (Parallel Interval Of One Meter)Working Environment: -20 ~ 33Change Voice Mode: Connect A USB Cable To The ComputerVoice Prompt Size: Approx. 220x95x70mm / 8.7x3.7x2.8inApplication:1. Fire prevention tips for forest scenic areas2. Regular reminder of park closure3. For field security promptsConnect 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. Package List 1 x Voice Reminder4 x Voice Reminder Screw1 x Solar Panel1 x Remote Control1 x Manual3 x Installation Bracket16 x Installation Bracket Screw4 x Nut2 x Hoop