1. Digital remote-control 2. DC3V(1. 5V*2AA size), 315/433Hz 3. 16A music circle play 4. chord: Dingdong, To Alice, Westerminster, can be select between two songs This is our one style product, welcome to ask for the catalog.Trademark: JBB Model: EAC01C Standard: CE ISO2000 Packing: DUBBLE BLISTER PACKING