2.4G Digital Wireless Baby Monitor Security Camera Two Way Intercom Baby Monitor 100‑240VUS Plug Item Type: Baby Monitor Material: ABS+ Electronic Components Transmission Frequency: ISM 2400-2483.5MHz Transmitted Power: 17dBm Effective Range: Approx. Indoor 50m / 164ft, Outdoor 260m / 853ft Spread Spectrum: AFH and TDMA (frequency hopping spread spectrum and time division multiple access) Modulation Mode: GFSK Operating Temperature: 14-122 degrees Fahrenheit / -10-45 degrees Celsius Humidity: < 85% Monitor: Screen Size: 2.4 inches Supported Resolution: 320 x 240 pixels Receiving Sensitivity: -90dBm Consumption Current: 200mA Battery: 750mAh lithium polymer battery (shipped with battery) Display: Image Sensor: CMOS Resolution: 0.3Mega Pixels Minimum Illumination: 0 lx (infrared on) Night Vision Range: Approx. 5m / 16.4ft Power Source: Electricity Functions: LCD display, music, night vision, portable, two-way intercom LCD Screen Size: 2.4 inches Frequency (GHz) : 2.4 GHz Viewing Angle: 45 Degrees Diagonally IP Camera Performance: Night Vision Resolution: 320 x 240 Display size (W x H x D): Approx. 59 x 112 x 17mm / 2.3 x 4.4 x 0.7in Camera size (W x H x D): Approx. 67 x 105 x 67mm / 2.6 x 4.1 x 2.6in