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🔥 HOT DEAL
Magnetic Reed Switch MC-33 NC Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch,Sets of 3
✅ In stock
⭐ Lowest price we've tracked
📉 Price recently dropped
B
Grade
Analysis Confidence
73%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Aug 2, 2026 5:06 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
👍 Good Deal- 👍Verdict: Good Deal. Solid value. Price is noticeably below the recent average.
- 💰The current price is 33% below what this product typically costs — a notable saving over its usual going rate.
- 🏷️The retail sticker price has been slashed by 88% — a steep markdown from the official listing.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
28/28
Recent Value
2.16/22
Market Standing
11.43/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
liuuuu
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓【Package Included】: 2Sets x MC-33 NC Magnetic Reed Switch.
✓【Function】: The reed switch is an electrical switch operated by an applied magnetic field. Designed for use with alarm systems. Great for use in family and factory window, door. etc.
✓【Install Distance】 ：Gap between 2 pieces more than 15mm, less than 25mm.White color make home great and beautiful. Anti-fire ABS material.
✓【Switch Type】: NO means normally open: when the magnet separate, the circuit is conductive( light on ); when the magnet together, the circuit is not conductive ( light off ), NC means normally closed: when the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ).
✓【Reed Switch】：Important : When the magnet is near it makes connectivity, when the magnet is removed connectivity is broken.Wired magnetic door/windows contact can be added to wireless/wired Alarm Systems.(some wireless system has wired zones),Here with our 90-day money back risk-free purchase guarantee.
⚙️ Specifications
Operation Mode
Off
Current Rating
0.5 A
Operating Voltage
100 volts
Contact Type
Normally Closed, Normally Open
Connector Type
Screws,wireless
Brand
JING
Switch Type
No, Nc
Terminal
Screw
Material
Acrylonitrile Butadiene Styrene
Circuit Type
1-way
Mounting Type
Door Mount
