Description
Product Overview
The WLERIR Door Stop Alarm is a compact, battery-operated security device designed for under-door mounting. It features a black finish, measures 5.2 inches in length, 1.8 inches in width, and 1.9 inches in thickness, and weighs 3.68 ounces. Constructed with durable materials, this alarm operates without wiring and requires one 9V battery (not included). Its core functionality includes triggering a 120dB alarm when door pressure is applied in the open state, with three adjustable sensitivity levels (low, medium, high) to suit various environments. The product is ideal for enhancing safety in residential, commercial, or travel settings, offering a straightforward setup with anti-slip pads for stability on dry surfaces.

Usage
This door stop alarm is suitable for home security, hotel rooms, offices, and dormitories, providing an audible alert to deter unauthorized entry. It works best when placed under a door with a gap of 10mm to 35mm between the door bottom and floor, making it versatile for standard interior doors. Target audiences include homeowners, travelers, and business operators seeking an affordable, non-permanent security solution. Avoid using it on wet or slippery floors to prevent sliding, and ensure the floor is free of water stains for optimal performance.
Why Choose Us
WLERIR focuses on delivering high-quality security products with user-friendly designs. This door stop alarm stands out due to its adjustable sensitivity, allowing customization for different door types and noise preferences. The lack of wiring simplifies installation, and the 120dB alarm volume ensures effective intrusion alerts. Built with reliability in mind, it undergoes rigorous testing to meet industrial standards, providing a cost-effective alternative to complex security systems while maintaining durability and ease of use.
Key Features
- Loud 120dB alarm triggered by door pressure for immediate security alerts
- Three adjustable sensitivity levels (low, medium, high) to match various door setups
- Easy under-door installation without wiring, requiring only a 9V battery
- Dual function: acts as an alarm in open state and a stabilizer in closed state
- Compact, portable design with anti-slip pads for secure placement on dry floors
FAQ
How do I install the door stop alarm?
Place the device under the door with a gap of 10mm to 35mm between the door bottom and floor. Ensure the floor is dry and free of obstructions, then insert a 9V battery to activate it.
What batteries does it require?
The alarm needs one 9V battery, which is not included with the product. Standard alkaline batteries are recommended for optimal performance.
Can I adjust the alarm sensitivity?
Yes, a switch on the side allows you to select from low, medium, or high sensitivity levels, making it adaptable to different door types and environments.
Is it suitable for outdoor use?
No, this alarm is designed for indoor use only. Avoid exposure to moisture or extreme conditions to prevent damage and ensure reliable operation.
What is the alarm volume?
The alarm produces a 120dB sound, which is loud enough to alert occupants and deter intruders in most residential or commercial settings.






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