Features * 2.4GHz Wireless Palm Baby Monitor * 2.4GHz 2.5" LCD Palm Size * Small palm size of receiver for mobile usage. * 2.5 LCD screen with 480 X 234 resolution. * The Camera have 11 led light for night vision function and have weather-proof function. * The receiver build in a big rechargeable li-battery . * 4-channel operation allows multiple (1-4) camera system * 380TV lines sharp picture display. * Built-in microphone in camera and speaker in * receiver for audio monitoring. * Min 100m transmission distance without block. * Brightness and Ratio option.