Wireless Door Infrared Alarm - This alarm is suitable for sheds, garages, barn doors, or windows. - It is used for security keypad alarms in sheds and garages. Product Features 1. **Loud Alarm Signal**: Equipped with a 110 - decibel siren. 2. **Adjustable Security Password Operation**: Users can set their own security passwords. 3. **Battery - Powered**: Requires 3 AA batteries (batteries are not included with the product). 4. **Three Working Modes**: - **Immediate Mode**: After being triggered, the 110 - decibel siren will sound immediately until the security password is entered. - **Delay Mode**: There is a 10 - second delay after being triggered for the user to enter the security password, and then the 110 - decibel siren will sound. - **Doorbell Mode**: It emits a prompt sound when someone enters or serves as a warning when young people open the door. Password Setting Process 1. First, press the device's default password “0000 + *”. 2. Then, enter your own set password, for example, “123 + *”. Arm and Disarm Operations 1. **Arm**: Press “123”, and the red light will stay on for 10 seconds. 2. **Disarm**: Press “123” twice in a row. The red light will flash for 10 seconds, and the device will turn off. Basic Product Information 1. **Name**: Alarm 2. **Working Voltage**: 4.5 volts 3. **Scope of Application**: Door and window anti - theft alarm 4. **Model**: MM - 1 5. **Color**: White 6. **Material**: ABS Package Contents One wireless door alarm (with installation wire) Notes 1. Due to the influence of light and different displays, the color of the item in the picture may vary slightly from the actual product. 2. The measurement error is allowed to be ±1 - 3 cm. Only the above - mentioned package contents are included, and other products are not included.