Kit Model: BOX-16
Operating voltage :4.5-5V
PCB size: 48mm (length) * 42mm (W)
Control modes: manual coding + external coding
16-tone box under your control, arbitrarily issued 16 kinds of interesting analog sound, both an electronic toy can also be used as a doorbell or alarm.

coding(ABCD)
0000:Machine gun voice
0001:Fire truck voice
0010:Ambulance voice
0011:The car voice
0100:Crickets sound
0101:alarm
0110:Electronic signal sound
0111:koh
1000:Insect song
1001:whistle
1010:Telegraph sound
1011:Bird song
1100:ChongJi gunfire
1101:Car sirens
1110:Bass instruments sound
1111:Racing sound

Package Included:
1 x DIY 16 Music Box 16 Sound Box 16-Tone Box BOX-16 Electronic Module Kit
Instructions/schematic are NOT included. We don't provide technical assistance please make sure that you are familiar with the product before purchasing.