Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Intercom Phones For Flats , Wired Doorbell Intercom System , Intercom Telephone , Our company has been devoting that "customer first" and committed to helping customers expand their business, so that they become the Big Boss !

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China Cheap price Wireless Intercom Systems - 1-button SIP Video Door Phone – DNAKE Detail:

Physical Property
System	Linux
CPU	1GHz，ARM Cortex-A7
SDRAM	128MB
Flash	64M DDR2
Product Size	111x170.5x38.6(mm)
Power	DC12V/POE
Standby power	1.5W
Rated Power	3W
RFID Card Reader	IC/ID (Optional), 200,00 pcs
Button	Mechanical Button
Temperature	-40℃ - +70℃
Humidity	20%-93%
IP Class	IP65
Installation	Surface Mounted
Audio & Video
Audio Codec	G.711
Video Codec	H.264
Camera	CMOS 2M pixel
Video Resolution	1280x720p
LED Night Vision	Yes
Network
Ethernet	10M/100Mbps, RJ-45
Protocol	TCP/IP,  SIP
Interface
Unlock Circuit	Yes(Withstand max current 3.5A for lock)
Exit Button	Yes
RS485	Yes
Door Magnetic	Yes

• Datasheet 280SD-R2.pdfDownload

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We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for China Cheap price Wireless Intercom Systems - 1-button SIP Video Door Phone – DNAKE, The product will supply to all over the world, such as: Hanover , Kuala Lumpur , Stuttgart , We always insist on the management tenet of "Quality is first, Technology is basis, Honesty and Innovation".We are able to develop new products continuously to a higher level to satisfy different needs of customers.