
( Brand: Kerui ), ( Manufacturer Part Number: D121 ), ( Type: Door Window Sensors ), ( Connectivity: Wireless ), ( Battery Included: No ), ( Material: Plastic ), ( Color: White ), ( Item Width: 0.5 In ), ( Features: Alarm ), ( Location: Indoor/outdoor ), ( Smart Home Compatibility: Amazon Alexa ), ( Operating Sound Rating: 120 Db ), ( Power: 45 )
The Kerui D121 Wireless Smart Door and Window Alarm Sensor is a state-of-the-art security device designed to protect your home or business from unwanted intrusions. This compact and sleek sensor is ideal for securing doors and windows, providing an early warning system against burglars or intruders.
The D121 operates wirelessly using radio frequency technology, ensuring easy and flexible installation without the need for complex wiring. Simply attach the sensor to your door or window frame and the magnet to the moving part, and you're ready to secure your entryway. The sensor transmits a signal to your alarm receiver or control panel whenever the door or window is opened beyond a certain angle, triggering an alarm.
With a powerful 120dB alarm, the D121 will effectively scare away potential intruders and alert you and your neighbors of any intrusion attempt. The sensor is equipped with a built-in temperature sensor that can detect extreme temperatures, helping to prevent false alarms caused by temperature changes.
The D121 is also versatile, allowing you to easily customize your security system to fit your specific needs. It can be programmed with various alarm tones and can be used with various control panels and alarm systems. Moreover, it features a long battery life, ensuring that your security system stays functional even during power outages.
In summary, the Kerui D121 Wireless Smart Door and Window Alarm Sensor is a reliable, powerful, and user-friendly security device that can help protect your property and give you peace of mind. Whether you're looking to secure a single door or window or an entire building, the D121 is an excellent addition to any security system.
The Kerui D121 Wireless Smart Door and Window Alarm Sensor is a popular choice for home security due to its wireless design, long range, and loud alarm. Here are some pros and cons to help you decide if this product is the right fit for your security needs.
Pros:1. Wireless design: The Kerui D121 operates on wireless technology, which eliminates the need for wires and allows for easy installation. This can save you time, effort, and money as compared to traditional wired alarm systems.
2. Long Range: The sensor has a detection range of up to 33 feet, making it ideal for securing doors and windows with large opening or that are situated far from the control panel.
3. Loud Alarm: The alarm produces a very loud 120dB siren that is designed to scare away intruders and alert neighbors or those nearby in case of a break-in.
4. Compatibility: It is compatible with various home security systems, including those made by 2GIG, Honeywell, and Vista, among others.
5. Weather resistant: The sensor is weather-resistant, making it suitable for outdoor installation, as long as it is kept away from extreme temperatures and direct sunlight.
Cons:1. Confusing user manual: The user manual for the Kerui D121 can be difficult to understand, which can make installation confusing for some users.
2. Sensitivity: Some users have reported false alarms, which can be caused by the sensor being too sensitive or detecting normal daily activities.
3. Connection issues: The sensor has been known to have occasional connection issues, which can lead to false alarms or the overall system not functioning properly.
4. Requires batteries: The sensor runs on 4 AA batteries, which can add to your ongoing costs as they need to be replaced periodically.
5. Limited battery life: Some users have reported the batteries not lasting as long as advertised, which could result in a frequent need for replacements.
Conclusion:The Kerui D121 Wireless Smart Door and Window Alarm Sensor is a good option for those looking for a wireless, long-range sensor with a loud alarm for their home security setup. However, it may not be the best choice for those who require a product with a straightforward user manual or a particularly long battery life. If you are willing to put in some effort to troubleshoot connection issues and potential sensitivity concerns, you may find this sensor to be an effective addition to your overall home security system.
Recommendation:The Kerui D121 Wireless Smart Door and Window Alarm Sensor is a worthwhile consideration for upgrading your home security system. Dedicate some time to carefully read and understand the installation instructions and be prepared for occasional need for troubleshooting. While not perfect, it offers reliable protection against intruders and ensures peace of mind for your home.
Take just a few minutes. Door Sensor Alarm, Remote Control 300ft 120dB Louder Alert Wireless Contact Anti-Theft Alarms Alert When the magnetic sensor is disconnected, KERUI door and window alarm system will issue a loud warning to prevent theft unnecessary access, preventing your child from sneaking out. Extensible Linkage Alarm You expand your home security alarm system with more alerts or remote controls,Infrared detector, door sensor, smoke gas emergency button. Good protection.
It makes it easier to remotely control door/window alarms up 300 feet. Technical Parameter model: KR-D121. With the SOS option, sensor can easily get help in an emergency. Easy Installation This anti-theft door and window alarm is easy to set up.
Longer Control Rang If you choose the kit comes with remote control for arming, disarming, SOS and doorbell options. Multi-function Alarm System You can select the doorbell mode to draw attention when people enter, as a commercial entering. Simply install it with the double-sided tape provided.