1.1. General description: * 2.4GHz transmission technology for superior clarity and range. * 2.4GHz Frequency Hopping technology and GFSK modulation * Over 250 hopping sequences to minimize interference and protect your privacy. * Wireless transmission range up to 40~60 meters through 3 walls and ceilings or 200~250 meters free space * 5V DC adaptor or 4.2V Li-ion battery 1.1.1. Baby (Transmit) unit * Integrated CMOS active-pixel image sensor with VGA(640x480) resolution * Video processor for H.264 encoding * Audio processor for AMR encoding * Night-vision function by IR emitter. * Self-filtering microphone 1.1.2. Parent (Receive) unit * High resolution 3.2 inch TFT screens(320x240). * Video processor for H.264 decoding * Audio processor for AMR decoding * Built in speaker * 5V DC adaptor or 4.2V Li-ion battery * 2. 5" Baby Monitor Operation Specification