... with this Baby Monitor,WiFi Free,Digital signal for crystal clear clarity,Digital security 1.1. General description- 2.4GHz transmission technology ... -ion battery1.1.1. Baby (Transmit) unit- Integrated CMOS active-pixel image sensor with VGA(640x480) resolution- Video processor for MPEG4 encoding- ... * Support Multi-Language * Maxim 8 cameras, Auto, manual scan 2.4Ghz Digital Video Baby Monitor