Multi Funciton Wireless Door Sensor Alarm | 4-Mode | 2 Years Battery Life | Window Alarm | Welcome DoorBell | 开门警报器

Introducing the Multi-Function Wireless Door Sensor Alarm, your ultimate security solution for doors and windows. This versatile device offers four modes to cater to your specific needs. Use it as a door sensor alarm, window alarm, welcome ring bell, or a general open-door alarm. With its easy installation, you can enhance the security of your home or office in no time.

Featuring a remarkable two-year battery life, you can rely on this alarm to keep you protected without worrying about frequent battery changes. When the sensor detects any unauthorized entry or movement, it triggers a loud alarm to alert you and deter potential intruders.

Enjoy peace of mind knowing that your property is safeguarded. The Multi-Function Wireless Door Sensor Alarm is designed to provide reliable and efficient protection, ensuring the safety of your loved ones and belongings. Upgrade your security system today with this reliable and convenient device.