【High-Quality Display】 2.8-inch color LCD screen provides clear 320P resolution for monitoring your baby. 【Two-Way Audio】 Built-in microphone and speaker enable bidirectional communication for soothing your child. 【Night Vision】 Automatic night vision with a range of up to 5 meters ensures clear viewing in darkness. 【Long Battery Life】 2200mAh rechargeable battery lasts up to 12 hours in VOX mode for extended monitoring. 【Extended Range】 Transmits up to 300 meters in open areas, providing flexibility in monitor placement. Specifications: Frequency: ISM 2400 ~ 2483.5 MHz Transmission Power: 21 dBu Effective Range: 160ft (50m) indoor; 900ft (300m) outdoor, line of sight Spread Spectrum: APL & TDMA Modulation Mode: GFSK Operating Temperature: 14 ~ 122°F / -10 ~ +45°C Operating Humidity: <85% Monitor: LCD Size: 2.8" Resolution Supported: 320 x 240 pixels Receiving Sensitivity: -90 dBm Consumption Current: 200mA Battery: Li-Polymer, 2200mAh Power Supply: 5V / 1000mA DC Dimensions (W x H x D): 121 x 63 x 18mm Weight: 0.115kg Camera: Image Sensor: CMOS Total Picture Pixels: 300,000 pixels Minimum Illumination: 0 Lux (IR on) Night Vision Distance: 15ft (5m) View Angle: Diagonal 80° Power Consumption: 200mA Power Supply: 5V / 1000mA DC Dimensions (W x H x D): 115 x 59 x 24mm Weight: 0.069kg