Description: Enhanced technology with a range of 850 feet: the improved technology can prevent cross signals and signal loss. The monitor has a range of up to 850 feet and gives an out of range warning, allowing you to move freely in the house or yard. Convenient display: receiver (host) with 3.2-inch color LCD screen and 1150mah battery. The camera does not include battery. The receiver has a full-color 3.2-inch screen that displays real-time video and audio. Up to 40 Hours in VOX Automatic infrared function: you can see your baby day and night (including night) through the automatic. The wireless transmission distance is about 15-50 meters at home and 260 meters out of the door. Room temperature monitoring: this monitor is equipped with a temperature sensor, which will report on the receiver screen. You can make sure it is not too hot or too cold for your baby. Voice control : if you turn on the voice control , the screen will enter sleep state after 1 minute, and there is no sound on the transmitter side. It can have two-way dialogue. When the baby cries, you can talk to him / her through the call button. Specification: Transmission Frequency:ISM 2400~2483.5 MHz Transmission Power:17dBm Spread Spectrum:AFH & TDMA Modulation :GFSK MONITOR ILCD Size:3.2" Resolution Supported:320x240 Receiving Sensitivity:-90dBm Consumption Current:200mA Battery:Li-polymer / 1150mAh Power Supply:5V/1000mA DC Weight:0.11KG Camera Image Sensor:CMOS Total Picture Pixels: 640 x 480pxl NIGHT View Distance:15 FT/5m View Angle:Diagonal 75" Size Chart: Camera: 124.5x72x17.5mm/4.90x2.83x0.69inch Monitor: 115x61.8x39.7mm/4.53x2.43x1.56inch Package Includes: 1 Piece Monitor Screen 1 Piece camera 1 Piece power adapters(AU) 1 Piece manual