【3.5-inch Color Display】 Portable monitor with a 3.5-inch color LCD screen for clear visual monitoring of your baby. 【Two-Way Audio Communication】 Built-in microphone and speaker allow for two-way audio communication between parent and child. 【Night Vision Capability】 Automatic night vision with a range of up to 5 meters ensures clear visibility in dark conditions. 【Long Battery Life】 2600mAh rechargeable battery provides up to 13 hours of operation in VOX mode. 【Extended Range】 Transmission range of up to 300 meters in open areas for reliable monitoring throughout your home. 【Additional Features】 Includes 6 built-in lullabies, VOX function, feeding time settings, and temperature alarm for comprehensive baby care. 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: 3.5" Resolution Supported: 320 x 240 pixels Receiving Sensitivity: -90 dBm Consumption Current: 200mA Battery: Li-Polymer, 2600mAh Power Supply: 5V / 1000mA DC Dimensions (W x H x D): 122 x 66 x 18mm Weight: 0.132kg Camera: Image Sensor: CMOS Total Picture Pixels: 300,000 pixels Minimum Illumination: 0 Lux (IR on) Night Vision Distance: 15ft (5m) View Angle: Diagonal 60° Power Consumption: 200mA Power Supply: 5V / 1000mA DC Dimensions (W x H x D): 103 x 88mm Weight: 0.2kg