... (1M to 32M) according to the special situation. 5.Support WAV sound files at the sampling rate from ... 9.Can repeat to download the voice up to 5 million times 10.Can combine the voice easily, ... Adjustable volume, can be used in various environments12.Matched with the simple PC software which is powerful, easy to ... for advertising announcers, banks , hospitals , gradens , and etc. PIR Sensor Sound Module