Intelligent Password Door And Window Alarm Electronic Door And Window Alarm

Specification Color WhiteMaterial Plastic ABSPower by 3 battery aa not included Operation voltage dc 4 5vSound level of alarm 105dbInstruciton The magnetic sensor can detect the opening of doors or windows and signal the main unit So the main unit gets the signal and emits the sound of the alarm Enter the secret number followed 35 35 led will be illuminated for ten seconds that indicate that detection will be available So if we go in again the led will signal that detection is cancelled When you detect the door opening signal it will give off soft DI DI sound sound sound for 20 seconds then alarm During this time you can stop the alarm by entering the secret number followed by 35 35 How to change the secret number When you put the battery in the main unit the initial secret number is 0000 Then you enter the old number 0000 you will hear a long beep and it tells you that you enter a correct old number Now you can enter a number of 1 12 digits followed by then you will hear a long sound again indicating that you have entered a new number How to make the alarm sound at the same time When in emergency we can press the panic red button it will alarm at once per 1 minute We can enter the secret number followed by 35 to stop the alarm Package Includes 1 x Coded Door And Window Alarm not included battery Note Allow differences between 0 5 and 1cm due to manual measurement Due to the difference in light and screen the color of the item may be s