Door & Window Contact Alarm

Code: VH85G

  • Easy setup battery operated – no wiring
  • Magnetic break contact alarm
  • Loud 100 dB siren built in
  • Limited stock may be available in some stores. Call us on 0844 557 6000 to check

Product details

Door & Window Contact Alarm

• Easy setup battery operated – no wiring
• Magnetic break contact alarm
• Loud 100 dB siren built in
• Alarm activates immediately on the door or window opening

Easy to Setup and Ready to Go
The Door & Window Contact Alarm is a standalone magnetic break contact alarm with built-in siren. No wiring needed as the Door & Window Contact Alarm is battery operated (batteries not included Order Code L42AL L42AL).

How do I get the most out of my door & window contact alarm?
The best areas the contact alarm should be placed on any main points of access in and around the home for example front and back doors, ground floor windows and accessible window or external door. The siren goes off as soon as the window or door is opened once armed giving peace of mind whilst you’re out and about.
Power Source
Mains No
Battery Yes
Mains and battery backup No
Low battery indicator No
Wireless No
Frequency N/A
Wired No
Cable length N/A
Phone landline No
Smartphone enabled No
GSM enabled No
RFID tags No
PIR movement No
Door / Window Yes
Panic button No
Key fob remote No
Remote Control No
Fire detector No
Gas detector No
Monitoring and alerts
Remote Controlled via smartphone app No
Manually controlled via control box in the home No
Remote controlled via key fob remote No
Push notification alert No
Siren Yes
Siren alert 100 dB
Siren duration 400 min or until reset
Operating range
Maximum operating range N/A
Transmission frequency N/A
Operating systems and protocols
Android N/A
Expandable No
Operating power DC 1.5 V AAA Battery x 2
Dimensions 91.5 mm x 37 mm x 19 mm
Weight 32 g
Outdoor Rated No
Battery type(s):
for control unit 2 x AAA Batteries
for sensors and accessories N/A
Test mode button N/A
Package Contents
User Manual

Bulk Prices

Item code Item name Quantity Price
VH85G Door & Window Contact Alarm (1+) £1.80

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.


  • Home Delivery
  • Click & Collect


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