Wired Mechanical Dingdong Doorbell Q-309 220V Directly
| Item No. | Melodies | Input Voltage | Output Voltage | Volume |
| Q-309 | Dingdong | 220V/110V | 220V/110V | 80db |
| Individual Packing | Size | PCS/CTN | Carton Size | Net Weight | Gross Weight |
| Single Blister + Cardboard | / | 48 | 620*375*280mm | 12.4 KG | 13.1 KG |