A sensor-based audio POP that senses passers-by and delivers a message

● Inexpensive audio POP
● AA batteries used (included in the product)
● With a human-detecting CDS sensor (Sensing range: Approx. 2 m)
● With a power switch and a volume control screw
● With a special-purpose case made of white paper
● The mechanical part can be removed from the casing toreplace the batteries.
● Audio data that has been recorded once cannot be modifiedor overwritten.