Features:
1) Small palm size of receiver for mobile usage
2) 2.5" LCD screen with 480 x 234 resolution
3) Rechargeable Li-battery in receiver, enable at least 2 hours continuous
    working
4) Built-in 9 IR lights for 5m night vision range
5) 380TV lines clear picture display
6) Built-in microphone in camera and speaker in receiver
7) Min. 100m transmission distance without block