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It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for Door Phone , Nurse Call Button Hospital , Audio Intercom , We have been normally seeking forward to forming profitable company relationships with new clientele around the environment.

2021 High quality Intercom Doorbell - 280SD-R2 – DNAKE Detail:

Physical Property
System	Linux
CPU	1GHz，ARM Cortex-A7
SDRAM	128MB
Flash	64M DDR2
Product Size	170.5x111x38.5(mm)
Power	DC12V/POE
Standby power	1.5W
Rated Power	3W
RFID Card Reader	IC/ID (Optional), 200,00 pcs
Button	Single Mechanical Button
Temperature	-40℃ - +70℃
Humidity	20%-93%
IP Class	IP65
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
Exit Button	Yes
RS485	Yes
Door Magnetic	Yes

Datasheet 280SD-R2.pdf

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Sticking for the belief of "Creating items of top of the range and creating buddies with people today from all over the world", we normally put the interest of shoppers in the first place for 2021 High quality Intercom Doorbell - 280SD-R2 – DNAKE, The product will supply to all over the world, such as: New Orleans , New Zealand , United States , We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.