Zopid HS-MS264H interference-free digital wireless portable 2.4" LCD high quality color video baby monitor with audio-light vision and voice activation is an ideal portable system for baby, elder or patient care- as well as business or home monitoring. With up to 600 feet line-of-sight (open area) range. Product comes in silver/black color. 100 percent digital signal for superior clarity and range. H.264 high quality video signal encoding-decoding with 25-30 frames per second transmission. Friendly on screen menu display and it supports up to 8 cameras. Digital security for complete privacy- neighbors cannot get audio or video from your camera. Wireless transmission range of approximately 600 feet (200 meters) line-of-sight (open area). Portable camera and monitor with rechargeable batteries. Automatic infra-red night vision technology (approximately 10 feet night-vision range). Digital zoom with selectable regions Adjustable volume level Signal strength indicator. Dynamic audio-signal strength indicator LEDs. Two transmission modes: Audio and video or audio only. Intelligent voice activity detector to lower noise and save power -battery sleep mode with voice activation (VOX) to save power. You can set up to 5 alarm settings (e.g. use it to setup- up to 5 feeding-medicine-reminder alarms during a 24 hour period- alarms repeat everyday). Comes with multi-language support (English- French- German- Italian- Spanish). Supply power using AC adapter, computers USB port or 3.7V Li-ion battery. Battery can be recharged approximately 5 hrs with device powered off (not in use) and 10 hrs with device powered on (in use). Battery usage (camera and monitor): approximately 3 hrs continuous use and approximately 4-6 hrs (with power save-audio only mode). Items included in the package are monitor camera 2 A-C adapters, rechargeable battery for the monitor (camera has a built-in rechargeable battery), USB cable, camera stand and wall mount.