UNGLENG Window Alarm YL-333

( Brand: Ungleng ), ( Manufacturer Part Number: YL333 ), ( Model: YL-333 ), ( Type: Door Alarm ), ( Power Source: Battery ), ( Item Height: 2 In ), ( Color: White ), ( Voltage: 3 V ), ( Connectivity: Wireless ), ( Item Width: 1 In ), ( Location: Indoor Only )

Review UNGLENG Window Alarm

The Ungleng YL333 Window Alarm is a compact and reliable security device designed to protect your windows from unwanted intrusions. This alarm system is easy to install and use, making it an ideal choice for homeowners and renters looking for an affordable and effective solution to enhance their home security.

Measuring just 4.7 inches long, 2.4 inches wide, and 1.1 inches thick, the Ungleng YL333 Window Alarm is small enough to be discreetly placed on any window sill or ledge. The device is made of high-quality ABS material, ensuring durability and resistance to weather conditions. It features a sleek and modern design with a blue LED light that serves as a visual indicator when the alarm is armed or disarmed.

The Ungleng YL333 Window Alarm uses a sensitive piezo sensor to detect vibrations and movements. Once the sensor is triggered, the alarm emits a loud 110dB siren, which is loud enough to deter intruders and alert neighbors or passersby. The alarm has a range of 30 feet, ensuring that the sound reaches a considerable distance.

The Ungleng YL333 Window Alarm is simple to use and comes with multiple operating modes, including a standard mode and a pet mode. In standard mode, the alarm is triggered by any movement or vibration, while in pet mode, the alarm is only triggered by heavy movements or vibrations, making it suitable for homes with pets.

The device also features a convenient one-touch testing button, allowing users to test the alarm without disarming it. The battery is replaceable and has a long lifespan of up to 18 months, ensuring that the alarm remains functional even during power outages.

The Ungleng YL333 Window Alarm is easy to install and does not require any professional assistance. It comes with double-sided adhesive strips, allowing users to attach the device to the window frame or sill without drilling or screws. The alarm also features a magnetic switch, which can be used to secure the device to the window frame for added security.

In summary, the Ungleng YL333 Window Alarm is a compact, reliable, and easy-to-use security device that provides peace of mind for homeowners and renters. Its sensitive piezo sensor, loud 110dB siren, and multiple operating modes make it an effective deterrent against unwanted intrusions. The device is simple to install, requires no professional assistance, and is small enough to be discreetly placed on any window sill or ledge.

Ungleng YL333 window alarm is a wireless, battery-operated device designed to provide security against unauthorized opening of windows. Here are some pros and cons of buying this alarm:

1. Easy Installation: The Ungleng YL333 window alarm is easy to install. It does not require any wiring or professional installation, making it a convenient option for those who want to secure their windows quickly.

2. Portable: The wireless design of the Ungleng YL333 window alarm makes it a portable security solution. You can easily move it from one window to another, making it a versatile choice for securing different windows in your home or office.

3. Affordable: The Ungleng YL333 window alarm is an affordable security option. It is priced lower than many wired or professional installation security systems, making it an attractive choice for budget-conscious consumers.

4. Battery-Operated: The Ungleng YL333 window alarm is battery-operated, which means it can continue to function even during power outages or other disruptions.

5. Alerts: The Ungleng YL333 window alarm provides visual and audible alerts when the window is opened unexpectedly. It also comes with a built-in siren that can be activated manually in case of an emergency.

1. Limited Range: The wireless design of the Ungleng YL333 window alarm has its limitations. It has a limited range of about 10 meters, which means it may not be suitable for larger homes or buildings.

2. False Alarms: The Ungleng YL333 window alarm may trigger false alarms if it is installed in an area with high wind or vibration. This can be frustrating and may reduce the effectiveness of the alarm.

3. Single Sensor: The Ungleng YL333 window alarm comes with a single sensor, which means it can only detect when a window is opened or closed. It does not offer any additional security features, such as motion detection or temperature sensors.

The Ungleng YL333 window alarm is a convenient, portable, and affordable security solution for securing windows. Its easy installation, battery-operated design, and visual and audible alerts make it an attractive option for budget-conscious consumers. However, its limited range, susceptibility to false alarms, and lack of additional security features may be drawbacks for some. Ultimately, the decision to buy the Ungleng YL333 window alarm depends on your specific security needs and budget.

If you are looking for a simple and affordable security solution for your windows, the Ungleng YL333 window alarm may be a good option for you. However, if you have larger windows or require additional security features, you may want to consider investing in a more comprehensive security system. It is important to weigh the pros and cons carefully before making a purchase.

Details:

The Window Alarm YL333 by Ungleng is a white door alarm with sleek design that operates on 3V battery. The compact size of 2 inches in height and 1 inch width makes it ideal for discreet installation on windows or doors. This wireless alarm is easy to set up and perfect for indoor use. Its battery-operated feature ensures continuous protection without the need for frequent battery replacements.

specifications secimotions:

• brand: Ungleng
• mpn: Yl333
• model: Yl-333
• type: Door Alarm
• power source: Battery
• item height: 2 In
• color: White
• voltage: 3 V
• connectivity: Wireless
• item width: 1 In
• location: Indoor Only

payments secimotions:

• wallet: Google-pay
• other
• credit card: Visa

offer secimotions:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• started: December 3, 2025
• quantity: 1
• sold: 0

shipping secimotions:

• carrier: USPS
• type: Calculated
• cost: $5.15
• class: Standard
• transit: 5-10 Days
• service: USPS Ground Advantage

returns secimotions:

• policy: No Returns

general secimotions:

• Surveillance Smart Home Electronics > Home Surveillance > Sensors Motion Detectors
• condition: New

seller secimotions:

• # reviews: 7
• city: Concord, California
• rating: 100.0%