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QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
✅ In stock
D
Grade
Analysis Confidence
90%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 4:42 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 79% — a steep markdown from the official listing.
- 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
6.26/28
Recent Value
0/22
Market Standing
6.96/20
Deal Strength
13/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Qshave
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Product Information: Product name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic
✓Specification: Contact Type: NC, Hole Dia.: 5.8mm, Actuation Distance: 8mm±18mm
✓Sizes: 64*12.*12mm and 64*20*12mm（L * W * H),pack of 5 with 20 screws.
✓NC Type: NC means normally closed. If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected.
✓Applications: It is suitable for magnetic windows, doors, cabinets etc. Ideal for door, window security.
⚙️ Specifications
Operation Mode
automatic
Contact Type
Normally Closed
Connector Type
screws
Brand
QWORK
Switch Type
Reed Switch
Terminal
Screw
Material
Plastic
Circuit Type
1-way
Mounting Type
Door Mount
Actuator Type
Magnetic
Number of Positions
5