Description Safe Wireless Technology: Application of frequency hopping and digital encryption technology ensures secure and reliable connection. REMOTE PAN TILT and ZOOM : Remote control camera rotate 355 in horizontal and 120 vertical ensuring you always have a clear view of your baby from any angle. SMART FEATURES:The crystal clear two-way audio feature allows conversation both ends as clear as if you were in the same room with your little one. Room temperature monitor and alert, night vision, lullaby, sound level LED indicator, audio only mode. EASY and CONVENIENT to OPERATE: Setup is simple just like plug and play. The Parent Unit powered by rechargeable battery gives you full mobility in the house. Monitor freezing happens ocasionally. It is normal, please try to reset the monitor through the key in back and re-paid the camera with monitor. The user guide.pdf is in the Technical Specification of Product information detail page.