Sixteen door chime tunes. Tunes cycle through the sixteen tunes with each keypress. A LED fluctuates according to the sound level. Designed for high quality melody products. Kit includes 1 x switch, 1Watt 8ohm speaker, 2 x AA batery holder, COB and mother board.
Documentation and Downloads:
http://www.electronics123.net/amazon/datasheet/sg3.pdf