Features: - 2.4G wireless digital signal transmission, more than 250 frequency hopping, free from WIFI interference. - Digital signal encryption transmission, good security. - Unobstructed transmission distance up to 200 meters, partition wall distance of 30 meters. - 3.5' HD LCD screen, the image display is clearer. - The monitor have built-in batteries for more than 2H. - Built-in baby sleeping lullaby, can be controlled by the screen control camera. - Monitor with temperature display, Celsius and Fahrenheit switching. - Baby monitor with two-way intercom function. Specification: Transmission frequency: ISM 2,400~2,483 MHz 4 frequency point*. Modulation method: FM antenna. Camera: Omnidirectional antenna. Receiver: Built-in hidden. Transmission distance: 100m. Working temperature: -10°C~ +50°C/ +14 ~ +122F. Storage temperature: -20°C~ +60°C/ -4 ~ +140F. Working humidity: 85% RH. Camera sensor: CMOS. Image pixels: 628 × 582 (PAL), 510 × 492 (NTSC). Viewing angle: PAL: 62° NTSC: 46°. Minimum illumination: 1.5Lux/F1.5. Transmission power: 80mW. Power: DC 5V 1A. Night vision distance: 5M. Size: 5.7cmx6.7cm/2.24'x2.64'. Receiver related parameters. Receiving sensitivity: ≤-85dBm. LCD material: TFT. LCD ruler: 3.5'. Resolution: 480×240. Effective area: 4.92cm × 3.81cm. Pitch; 0.1025mm × 0.163mm. Viewing angle (up/down/left/right): 10° / 30° / 45° / 45° (Min.). Brightness: 250 cd/m3. Contrast: 15:1. Current consumption: DC 12V 700mA. Size 8x8x5cm/3.15'x3.15'x1.97'. Package includeds: 1 x Monitor. 1 x Receiver. 1 x Power Adapter(According to different countries, we will send corresponding adapter.). 1 x User Manual