WiFi Door Camera

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Product Description:

· WiFi doorbell cam, build in PIR sensor
· WiFi transmission, connect directly to your ios, Android device.
· Plug & Play, peace of mind
· WiFi transmission, up to 100m
· PIR sensor, covered 3m around
· Build in lithium battery, lasts for 3months  continuous work


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Q:Monitor the camera what models
Longitudinal and under the "and too" series for the industry's top ten users recommend the brand. Product quality and cheap, trustworthy! Longitudinal and was with the major government, military, schools, enterprises and institutions are all cooperation.
Q:Elevator in the monitor camera lens focal length with the number
The smaller the number of millimeters, the greater the angle, see the closer .3.6 mm angle of about 75 degrees, the proposed monitoring distance of 5 meters .2.8 mm angle of about 90 degrees, the proposed monitoring distance of 3 meters
Q:Monitor the camera to take pictures at regular intervals
General monitoring plus small software, because the monitoring host has a manual capture function, so that small software can replace the hand.
Q:Office area monitoring camera how to choose?
1, because the hemispherical can be ceiling on the ceiling, more beautiful
Q:Monitor how much power the camera has
High-end are 10W ~ 50W range
Q:How to use video surveillance video surveillance
Forget to tell you, a decoder card (4 Road Dahua) 1200 yuan, 300 yuan conversion interface.
Q:What is the difference between monitoring cameras CCD1 / 3 and 1/4?
CCD chip has developed a variety of sizes: the current use of the majority of the chip 1/3 "and 1/4". In the purchase, especially when the camera angle is more stringent requirements, CCD target surface size, CCD and lens with the situation will directly affect the size of the field of view and image clarity. 1 inch - target size is wide 12.7mm * high 9.6mm, diagonal 16mm. 2/3 inch - target size is wide 8.8mm * high 6.6mm, diagonal 11mm. 1/2 inch - target size is wide 6.4mm * height 4.8mm, diagonal 8mm. 1/3 inch - target size is wide 4.8mm * high 3.6mm, diagonal 6mm. 1/4 inch - target size is wide 3.2mm * height 2.4mm, diagonal 4mm.
Q:Hai Kangwei depending on the surveillance camera how to achieve continuous automatic capture, such as a second catch a?
Hai Kang hard disk video recorders to add network cameras: 1, first installed the network camera, connected through the network cable to the switch, the network camera connection is not the need for each network cable must be unified in a switch (such as: need in the distance Install a camera
Q:What are the problems with the surveillance camera?
Monitoring the failure of the camera performance for several aspects: ① power supply is not correct equipment failure. ② equipment line connection reasons. ③ the quality of the equipment or components themselves. If it is installed problems caused by the problem, you can solve, but if it is to monitor the camera's own reasons, it would return to the factory maintenance. Now many manufacturers have done a good job after-sales service, such as Hai Kang, Dahua, Zhong Ying Xin and so on.
Q:The monitor camera does not display the image on the display
The camera directly connected to the hard disk video recorder, if there is no image, there is a problem line.

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