What is the size of SD card that supports?

Here is a quote from Amcrest Tech Support:The max capacity of the mini SD card that the ProHD 1080P can take will be set at 64GB. That will be good for up to two weeks of continuous 24hr recording. If you set it to just motion, it will record at least 1 Month of just motion.You can find these Mini SD cards at Best Buy, Walmart, or any electronic store."

can i have multiple cameras in m house

If you want multiple cameras, I suggest a surveillance software such as Blue Iris, which is the best bang for the buck. It's a great program which you purchase once (about $50) and can use with up to 26 cameras. I currently have 7 using this program with minimal problems. IMO, I would NEVER use a cloud service for anything.

I'm interested in storing local recording on a memory card and need about 24 hours of continuous storage that I could review for security (32G card?).

To get 24 hours (or more) on the 32GB card, you will need to change the camera's video encoding settings. By default, the camera is configured to encode the video at 4096Kb/s CBR, which should give you about 17 hours of recording time on a 32GB card. CBR stands for Constant Bit Rate, which means that the camera will use all of the specified bitrate regardless of the video complexity/activity. I recommend switching the mode to VBR (Variable Bit Rate) with a quality of 6 (the highest setting). Since the video complexity will probably be low half of the time, this alone may be enough to get you 24 hours. If not, lower the bitrate setting to 2048. This should get you at least 34 hours. You can lower this as much as you want. If the video quality gets too rough at very low settings, lower the resolution or the framerate. With a low bitrate setting and VBR, you could get days of footage on a 32GB card.While this camera has an above average playback interface that's great for reviewing footage, another way to fit more monitoring time on the card is to only record motion detection footage instead of continuous recording. This works especially well in areas that see occasional traffic as opposed to continuous traffic. You could end up with months of footage on a 32GB card depending on how active the monitored area is.Yet another possibility is to use a 64GB card. I have successfully used 64GB cards in other cameras that only supported 32GB. The camera is not the limitation; Windows is. Windows is unable to format a 64GB card to FAT32, the format required by the camera. If you buy a 64GB card, you will need to use special software to format it in FAT32, and then it should work in the camera.Here's a link to the calculator tool I used to calculate the above numbers: http://www.calctool.org/CALC/prof/computing/transfer_timeAmount of data = Card size (32GB)Transfer rate = Camera video bitrate (camera default is 4096 Kb/s; the lowercase "b" in "Kb" is important).Transfer time = (select hours) the amount of recording time you should get using that size card, and that bitrate at CBR. VBR should increase your total recording time above this number unless the area being monitored has lots of activity 24-hours a day.

Does the 4 hours free cloud recording means 4 continuous recording or can be a total of many small clips of event recording that adds to 4 hours?

I had the same question. I pulled the trigger and can tell you my findings... the ANSWER::: 4 hour cloud recording is 4 hours of continuous as well as clips. Anything past 4 hours whether full recording or small clips of events are inaccessible/deleted.

ASIN	B0145OQTPG
Alert Type	Motion Only
Batteries Required?	No
Best Sellers Rank	#208 in Dome Surveillance Cameras
Color	Black
Compatible Devices	Smartphone
Connectivity Protocol	Ethernet, Wi-Fi
Control Method	Voice
Controller Type	Amazon Alexa, Vera
Customer Reviews	4.1 4.1 out of 5 stars (17,242)
Date First Available	August 19, 2015
Effective Video Resolution	1080 Pixels
Field Of View	360 Degrees
Form Factor	Dome
Frame Rate	30 fps
Global Trade Identification Number	00859888005535
Included Components	1080p Wi-fi Ip Pan/tilt 2-way Camera With Cloud Recording (black)
Indoor/Outdoor Usage	Indoor
International Protection Rating	IP67
Is Discontinued By Manufacturer	No
Item Weight	8 ounces
Item dimensions L x W x H	8 x 12 x 10 inches
Item model number	IP2M-841B
Low light technology	Night Color
Manufacturer	AMCREST
Maximum Webcam Image Resolution	2 MP
Mounting Type	Ceiling Mount
Night Vision Range	32 Feet
Number of Channels	2
Number of Items	1
Photo Sensor Technology	CMOS
Power Source	Corded Electric
Product Dimensions	8 x 12 x 10 inches
Room Type	Bedroom, Classroom, Hallway, Kitchen, Living Room, Office, Study Room
Specific Uses For Product	Surveillance
UPC	659424885887 661094063489 859888005535 659424885115 798068901307 647971367208 662187376387 601420008104
Unit Count	1.0 Count
Video Capture Format	ASF
Video Capture Resolution	1080p, Security System with Motion Detection, Nightvision
Viewing Angle	90 Degrees
Voltage	5 Volts
Wattage	7.5 watts
Wireless Communication Technology	Wi-Fi
Zoom Type	Digital Zoom

ProHD 1080P WiFi 2MP (1920TVL) Indoor Pan/Tilt Security Wireless IP Camera IP2M-841B (Black)

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