Features:Brand new and high quality.Suit name: 16 Music Box.Kit Model: BOX-16.Operating voltage :4.5-5V.PCB size: 48mm (length) * 42mm (W).Control modes: manual coding + external coding.The 16 music box can be under your control， follow one'sinclinationsly 16 analog sound interesting， is not only an electronictoys， can also be used as the doorbell or alarm and etc.Detail:coding(ABCD)0000:Machine gun voice0001:Fire truck voice0010:Ambulance voice0011:The police car voice0100:Crickets sound0101:alarm0110:Electronic signal sound0111:koh1000:Insect song1001:whistle1010:Telegraph sound1011:Bird song1100:ChongJi gunfire1101:Car sirens1110:Bass instruments sound1111:Racing soundNote:Lighting， display and other factors may cause COLOR SHADING， please comprehensive pictures and text descriptions to determine!Package Included:1 x DIY module.NO Retail Box. Packed Safely in Bubble Bag.