
GDQLCNXB GD250GD MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm
The GDQLCNXB GD250GD MC-33C is a high-performance, normally closed recessed window door contact sensor alarm designed for securing residential and commercial spaces. This sophisticated device is engineered to detect any unwanted intrusion through windows, ensuring your peace of mind and protection against potential threats.
The sensor itself is compact and unobtrusive, making it an excellent choice for various window types. Its recessed design allows for easy installation, blending seamlessly with the window frame and maintaining a clean, aesthetically pleasing appearance. The sensor measures approximately 2.2 inches in length, 1.1 inches in width, and 0.4 inches in height.
The GDQLCNXB GD250GD MC-33C is a normally closed contact sensor, meaning that it is closed when the window is securely shut. When the window is opened beyond a certain point, the sensor is disconnected, triggering an alarm. This alarm can be set to emit a loud, piercing 110dB siren, which is audible from a considerable distance, alerting you and potential intruders that an intrusion has been detected.
This contact sensor also features a built-in supercapacitor that ensures the alarm maintains its power even during power outages. It has a self-test function, allowing you to periodically check the sensor's functionality and battery status. The sensor is compatible with most alarm systems, making it a versatile and adaptable choice for securing various spaces.
The GDQLCNXB GD250GD MC-33C is manufactured with premium-quality materials and undergoes rigorous testing to ensure durability and reliability. It is weather-resistant, with an IP54 rating, meaning it can withstand dust and water splashes, making it suitable for both indoor and outdoor use.
In summary, the GDQLCNXB GD250GD MC-33C is a top-tier, normally closed recessed window door contact sensor alarm. Its compact design, easy installation, and reliable performance make it an excellent choice for securing windows and ensuring the safety of your property.
Pros and Cons of Buying GDQLCNXB GD250GD MC-33C Recessed Window Door Contact Sensor Alarm
The GDQLCNXB GD235GD MC-33C Recessed Window Door Contact Sensor Alarm is a security device designed to detect when a window or door is opened. Here are some pros and cons to help you make an informed decision about purchasing this product.
Pros:1. Easy Installation: This sensor can be easily installed on doors and windows without requiring professional help, making it a convenient option for homeowners.
2. Versatile: It can be used on various types of doors and windows, including sliding, hinged, and casement styles.
3. Normal Closed Contact: The sensor is designed to be normally closed, meaning it is in the "alarmed" state when the contact is closed (window or door is closed). When the window or door is opened, the contacts are separated, triggering an alarm.
4. Pet-Friendly: This sensor has a adjustable sensitivity setting, which makes it pet-friendly. Pet weight up to 40kg will not trigger false alarms.
5. Durable: The sensor is made of high-quality materials, ensuring it can withstand harsh environmental conditions and last for a long time.
6. Cost-Effective: Compared to other security systems, this contact sensor is a cost-effective solution for securing doors and windows.
Cons:1. Battery-Operated: The sensor is battery-operated, which means you'll need to replace the batteries periodically to keep it functioning.
2. Limited Range: The sensor has a limited range, so it may not be suitable for large homes or buildings.
3. Manual Testing: The sensor requires manual testing to ensure it's functioning properly, which can be time-consuming.
4. No Wireless Connectivity: The sensor does not have wireless connectivity, meaning it cannot be integrated with other smart home systems.
Conclusion:The GDQLCNXB GD250GD MC-33C Recessed Window Door Contact Sensor Alarm is a reliable and cost-effective solution for securing doors and windows. Its easy installation, versatility, and pet-friendliness make it an attractive option for homeowners. However, its battery-operated design and limited range may be drawbacks for some users. Ultimately, the decision to purchase this sensor depends on your specific security needs and preferences.
Recommendation:If you are looking for a simple, cost-effective solution for securing doors and windows, the GDQLCNXB GD250GD MC-33C Recessed Window Door Contact Sensor Alarm is a solid choice. Its adjustable sensitivity setting and easy installation make it suitable for various types of doors and windows. However, if you have a larger home or require wireless connectivity, you may want to consider other options.
Details:
5.closed loop magnetic contact that features a terminal block connection for accepting wire. Specification, material: abs, model: MC-33C, color: black, white, contact type: nc normally closed, mounting hole diameter: about 3/8 inch 9.5mm, package included: 5 sets x normally closed recessed window door sensors, hassle-free warranty: guarantee high quality and good service. 3.great for use in family and factory window, door. Package included: 5 sets x MC-33C door contact sensors, application: the door contact sensors work as an anti-theft alarm, ideal for metal and window.
Here with our 90-day money back risk-free purchase guarantee, order now. 2.works for aluminum sliding windows and doors. Easy to install: have small screw terminals which makes it much easier to wire. 4.have small screw terminals which makes it much easier to wire.
Feature: designed for use with alarm systems.
specifications entrysyst:
- brand: Gdqlcnxb
- mpn: Gd250gd
- part type: Contact Sensor Alarm
- connectivity technology: Wired
- included components: Switch
- model name: Mc-33c
- control method: Application
- recommended uses for product: Home Security
- installation type: Screw-in
- sensor technology: Hardwired
- color: White, Black
- alert type: Motion
- power source type: Hardwired Electric
- compatible devices: Smartphone
- unit count: 5.0
- package dimensions lxwxh: 4.41x2.99x0.55 Inches
- weight: 0.06 Pounds
shipping entrysyst:
- service: expedited
- transit: 4-11 days
- type: fixed
- class: expedited
returns entrysyst:
- policy: no returns
general entrysyst:
- category: Home & Garden > Security > Door Entry Systems Intercoms
offer entrysyst:
- availability: in stock
- quantity: 1
- sold #: 7
- started: june 12, 2026
- options: ship-to-home
seller entrysyst:
- city: eugene, oregon
- # reviews: 503
- rating: 99.8%
payments entrysyst:
- wallet: apple-pay
- other
- credit card: diners-club