Model no.: 842E (GP-842T+GP-711)
Features:
1) 2.5" LCD-TFT with 480 x 234 resolutions
2) Night-vision camera: 5m effective range
3) Built-in rechargeable lithium battery in camera
4) Rechargeable Li-battery in receiver
5) Built-in microphone in camera and speaker in receiver for audio monitoring
6) 4 channels available to avoid possible interference
7) Transmission range in open space: 100m