MC-38 Magnetic Switch for Door Windows Home Alarm System

£7.00 GBP £4.00 GBP SAVE 43%
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.
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Categories: Security Sensors

Step into a world of whimsy and wonder with the Lonely Binary MC-38 Wired Door Window Sensor Magnetic Switch Alarm System! Brace yourself for an enchanting journey as we unveil the magic of this extraordinary creation from the mystical realm of Lonely Binary. Get ready to fortify your home with a touch of imagination and a dash of security.

Unleash the Power of Protection:

  • Lonely Binary proudly presents the MC-38 Wired Door Window Sensor, a true marvel that stands as a testament to our brand's commitment to innovation and safety. Prepare to embark on an extraordinary adventure where security meets enchantment.
  • Immerse Yourself in Recessable Style: Picture this - a sensor that seamlessly integrates into your doors or windows, becoming one with their very essence. The MC-38's recessable style allows it to be "set into" your entrances, creating a magical bond between security and aesthetics.
  • Witness the Marvels of Magnetic Alarms: Behold the mesmerizing power of the MC-38's magnetic switch! Crafted with a metal shield and anti-fire ABS, this magnificent creation unleashes a symphony of alarm sounds when the magnets are separated. Intruders will tremble in the face of its enchanted protection.
  • Simplicity Meets Sorcery: Prepare to be enchanted by the simplicity of installation. The MC-38 requires no external power supply. Just connect it directly to the GND and N.C ports of your wired or wireless alarm control panel, and let the magic unfold.
  • Lonely Binary Quality: As you embark on this whimsical journey, rest assured that the MC-38 embodies the highest standards of craftsmanship and reliability. Trust in the Lonely Binary brand to safeguard your home with utmost care and dedication.

Join the Lonely Binary Revolution:

  • Lonely Binary, your steadfast companion in the quest for a secure and magical home. Experience the extraordinary blend of security, creativity, and innovation that Lonely Binary brings to the table.
  • Don't miss your chance to be part of the enchantment. Join the Lonely Binary revolution today and embrace a world where security is sprinkled with a touch of whimsy.

What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x MC38 Lock



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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