Technical Parameter:
*Power supply: DC3V(CR1632x1)
* Built-in tamper switch
* Universal design fits for different kinds of doors/windows
* Spone glue installation
* Transmission distance > 100m
* Communication protocol: Zigbee/RF 433MHZ
How do smart door sensors work?
Most are a type of contact sensor that uses a reed switch and magnet. When the door is closed, the magnet keeps the reed switch circuit closed. When the door opens and the magnet is removed, the reed switch circuit opens, triggering an alert or alarm.
Which sensors are used in smart door lock?
Sensors like PIR, optical sensor and such are used to read and detect objects. The most common motion sensor used in smart locks is the PIR (Passive Infrared) sensor. The PIR sensor measures the infrared light radiating from the objects with the help of electronic semiconductors .
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FAQ:
Q1.Can you explain how this product operates or what it does? I need to check that whrther the work and the function are the same as I want or not, I'm going to clean it up.
A1: you can connect this product to your phone through the TUYA app. If someone passes by or a thief enters the house, the sensor will send an alarm to your phone. What kind of goods do you want?
Q2. What delivery terms can you supply recently? Do you like the goods to be transportated by air. Which mode of transportation is usually chosen by your customer?
A2:We can accept EXW, FOB, CIF and other express delivery methods, you can choose the most convenient or cost-effective method you think. Also we can send the goods to customer by air. Our customers always choose the transportation of FOB.
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