16-Sound Box Module & Device (DIY Kit)

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 police 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