1. Wireless design, easy to fix and use Remote control, available more than 150m in a capacious location. 2. Adopting "Toshiba" IC which is low power wasting and electricity saving. 3. Adopting digital code, the percentage of wrong ringing of repeated code is less than 1/100000 4. Delicate color box packing design has broken the old fashion of this line 5. Supposing the emitter used 20 times per day, the battery can be used at least one year. 6. Can be used in large scope, such as location of household, hotel, office building, factory, dormitory and so on; Also can be used as remote control music box for children's entertainment or waking-up bell in the morning. 7. Sounds selection A sound: Three sounds(" Dingdong", "To Alice", "Wesminster") for selection B sound: Remote playing rotative 12pcs + a pc of settled music C sound: Remote playing rotative 24pcs + a pc of settled music D sound: Make according to customers' requirement.HS Code: 85308000 Trademark: hangying Model: HY-D702/HY-D503/HY-A702/HY-A503 Productivity: 50000/month Unit Price/Payment: FOB USD2.4/2.8/2.6/3 Origin: P.R.China Packing: color box or blister Min. Order: 500 pcs Transportation: by sea or by air