DOORBELL We have got the ISO2000 and CE certification, and have many clients in EU and Mid-east. The wireless doorbell is our new product and has hot sales in EU. Functions: 1. Digital remote-control（50-60M） 2. AC110~250V,315/433Hz 3. 16A music circle play 4. chord : 慸ingdong? 慣o Alice? 慦estminster? can be select between two songs 5. colors: white, yellow, purple, navy blue, sky blue, orange, grass green This is our one style product, welcome to ask for the catalog.