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Yl-355 Secret No Keypad Door Alarm

Price $0.85
Min Order 100 Pieces
Availability In Stock
Shipping From Zhejiang, China
Popularity 264 people viewed
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Model NO.:
YL-355
Type:
Door Sensor
Signal Transmission:
Wired Alarm
Working Mode:
Active
Certification:
CE, FCC, RoHS
Application:
Indoor
Working Principle:
Electromagnetic
Transmission Mode:
Cable
Alarm Volume (within 1m):
≥90dB
Receive Frequency:
Low
Battery:
4 X AAA
Secrirt No:
4 Digital
Colour:
White
Current:
80mA
Transport Package:
Blister
Origin:
China
HS Code:
8531100000
Product Description
KEYPAD DOOR ALARM
SECRET NUMBER DOOR ALARM
4 PCS AAA battery

 

4 KEY SEC KEYPAD ALARM

  • WHAT'S THE FUNCTION
The magnetic sensor can detect the opening of doors or windows. Then the main unit will alarm at a 100 d B sound.  
  • HOW  TO  TURN  ON  OR  OFF
Input 4 digit secret number, the LED will be lighted for 10 seconds that indicate the detecting will be available.
if we input again, the LED will flash that indicate the detecting is canceled.   
    • When it detected a movement of a door or window, it will gives out soft "DI-DI-"sound for 10 seconds then alarm. In this period you can stop the alarm by input the secret number
  • HOW  TO  CHANGE  THE  SECRET  NUMBER
When you put the battery in the main unit, the initial secret number is "1234".
Push the button '4' for more than 3 seconds , you will hear a long beep that tells you to input a new secret no. Input the old secret no first. If correct it will sound a long beep. Then you can input a new 4 digit number . you'll hear a long beep sound again that indicating you have entered a new number.




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