Video door phone

详情

Features:

• Wireless dual communication, monitoring and release door
• Inner calling
• Capturing image and video
• 1GB memory card (image storage)
• Adjustable brightness, color, contrast and ring volume
• Capable to support two outdoor cameras and three indoor monitors
• Adjustable talking volume
• Changeable chord melody (*2 ringtones)
• 2.4G ISM digital public frequency
• 2.*-inch TFT LCD screen
• Effective range in **0m in free field
• On screen display English manual
• Backup battery for indoor unit
• Temperature: **0 to *0°C
• Relative humidity: *5 to *5%
• Atmospheric pressure: *6 to **8kPa
• Indoor phone power: 4.5V DC/1A
• Outdoor station: 5V DC/1A
• Standby status: *2 hours
• Transmission power: *6 to *0dBm
• Outdoor station dimensions: **7 x *5 x *7mm
• Indoor phone dimensions: **2.5 x *6.5 x *8mm
• Net weight: **0g
• Installation: surface-mounted