Features: Wireless Baby Monitor: Adopts 2.4G wireless technology, no interference and effective transmission range is up to 100M in open area, which enables you to know your baby's status in every corner of your house. Paired already, just turn on devices and ready to work Real-time Dynamic Monitoring: With 2.4 inch large LCD color display showing you the real-time video of your baby's activities. You don't need to stay in baby's room all day long and have more time to handle your work or housework. Two-way Talk Function: Wireless monitor and wireless camera both has built-in high sensitive microphone. You can hear your baby's voice and comfort her/him instantly by pressing "Talk" button when they are crying. Supports Room Temperature Detection: The monitor will beep when temperature is more than 30 that was detected by the temperature sensor, which let you adjust a comfortable temperature of room for your baby in time. Other Practical Designs: Built-in 4 lullabies to soothe baby to sleep; Wireless monitor has built-in rechargeable batteries for more flexible usage; Wireless monitor has a foldable stand and a backside clip, and the wireless camera can be 360 rotated flexibly. Specifications: Transmission Frequency: 2400-2483.5 MHz Transmission Power: max. 17dBm Unobstructed Effective Range: 100M Modulation Mode: GFSK Camera Viewing Angle: 70(Diagonal) Night Vision Distance: 5M Operating Temperature: 0-40 Operating Humidity: