wireless door

alarm system

1)Popular unique design;
2)48 kinds of melody options;
3)Operating distance range is up to180 meters on open air;
4)4 grade Volume regulation;
5)

Frequency: 433.92 MHz
Power supply transmitter: 12V DC(battery)
Power supply receiver: 3V DC(battery)
Sound categories: three kinds

 
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Low battery, low power LED indication;
With emergency button function
Low consumption chip design

AlyBell Wi-Fi Video Doorbell connects to network via Wi-Fi router. Mobile devices including smartphone or Tablet, can connect to the doorbell.

Email: yuki at szshz.com.cn
Skype: Hezhonglady001
Wireless door magnetic detector window magnetic sensor HZ-5503
315MHz/433MHz wireless door/window

1)Popular unique design;
2)48 kinds of melody options;
3)Operating distance range is up to180 meters on open air;
4)4 grade Volume regulation;
5)

Two sends, one receiver
Frequency: 433.92 MHz
Power supply for door transmitter: 9V DC(battery)
Power supply for pet transmitter: 12V DC(battery)

wireless doorbell
luckarm wireless doorbell
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wireless digital doorbell...

2.4GHz digital frequency ensures strong and stable signal transmission.
@ Camera with 6-LED for Night vision
@ Indoor monitor can save 100 photo

5.8GHz Wireless Door Peephole Camera 100m Range 90deg 720 X 480Pixels
 
Advantage :

Biometrci Fingerprint Wireless Door Access Control System with HD Camera
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Biometrci Fingerprint Wireless Door Access Control System with HD Camera
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Wireless Doorbell Push Buttons, Accessory push button, Portable Wireless Door Chime and Push Button, Wireless Chimes & Doorbells, buttons on sale.

with photo frame, make your door bell at the same time as a beautiful decoration, make your life more beautiful

Two sends,one receiver
Frequency: 433.92 MHz
Power supply transmitter: 9V DC(battery)
Power supply receiver: 3V DC(battery)

Wireless Window / Door Contact for PSTN Alarm Sy

Wireless Window / Door Contact for PSTN Alarm Sy

Wireless Window / Door Contact for PSTN Alarm Sy

Wireless Window / Door Contact for PSTN Alarm Sy

TA-M80 is Wireless Door/Window Magnetic Contact/sensor.

Wireless Door Sensor,Wireless Security Detector

Wireless Door Sensor

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wireless doorbell luckarm wireless doorbell

One sends, two receiver
Frequency: 433.92 MHz
Power supply transmitter: 9V DC(battery)
Power supply receiver: 3V DC(battery)

"1.Versatile smartphone compatibility
Alybell app supports select Apple iOS and Android devices.
2. 2-way talk: Talk directly via the built in mic

FORRINX Wireless Doorbell
1.Waterproof IP44 transmitter
2.Name holder design
3.52 elegant melodies
4.300m remote contro

Factory price wireless video door camera wifi ip door phone and wireless door bell