The voice prompt chip model of the platform pressure detection receiver is WT588D-U. The chip is a highly integrated audio decoder with the characteristics of low power consumption, high sound quality and high reliability. It can be controlled through serial port to achieve playback and control of a variety of audio files. The chip can be used to realize the voice prompt function in the high voltage detection receiver to remind the user to operate or prompt the current status. The chip is widely used in smart home, security monitoring, education and training fields.