Fast delivery, free, no contact
Fast delivery, free, no contact
Free personal session
Free and easy returns
| Frequency range：640—690MHz |
| Channels：10*2 |
| Receiving way：Superheterodyne |
| Battery：5# AA battery（2pcs） |
| Receiving sensitivity：：-95～-60dBm |
| Standard installation：30 rooms |
| Working range：80m（ideal environment） |
| Power source：100—240V,50 |
