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Features1. Detection range:2cm-3m/80 degree angle(can freely set detection distance with a button between 2cm-3m via study)2. When the ultrasoinc sensor detects a person or an object, it will play voice back automatically within 300ms.3. Support micro SD card as memory, very easy to change sound messages4. Support MP3 audio output with exquisite sound quality5. Equipped with a mini USB interface, support to use it to change sound messages freely connnecting to PC with no pluging out of SD card6. Equipped with rechargeable lithium battery, it can keep a long work time7. Ultrasonic sensor and voice prompter can be separate8. Buil-in 3watt audio amplifier of class D9. Volume can be adjustable with a sliding swtich10. More functions can be customized11. Voltage supply:DC5V-9V12. Dimmension:83.61*36.54*121.50mm(L*W*H)
This intelligent product can be used in various occasions for voice prompt, alarm, advertising,etc.
Intelligent Ultrasonic Voice Announcer