Features: Wireless Baby Monitor: Adopts 2.4G wireless technology, no interference, and effective transmission range is up to 260M in open area, which enables you to know your baby's status in every corner of your house. Real-time Dynamic Monitoring: With 2.0 inch large LCD screen to show you the real-time video of your baby's activities anytime. 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: Parents unit and baby unit both have built-in high sensitive microphone. You can hear your baby's voice clearly and use your voice to comfort her/him instantly when they are crying. Supports Room Temperature Detection: The baby unit has a temperature sensor, which can detect the room temperature all the time to let you adjust a comfortable temperature of room for your baby in time. Other Practical Designs: Baby unit has built-in lullabies to soothe baby to sleep; parents unit has built-in rechargeable batteries for more flexible usage; parents unit has a foldable stand and the baby unit can be 360 rotated flexibly. Specifications: Transmission Frequency: 2.4G Modulation Mode: GFSK Operating Temperature: -10 to 40 Operating Humidity: