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Wireless Door Bell Expand

Wireless Door Bell




A portable battery operated wireless doorbell with visual indication.

  • Easy to install and to move.
  • 128 different codes for interference-free signal transmission.
  • Also suitable as a beeper or an alarm bell for the elderly.
  • Code setting via supplied jumpers.
  • Supplied with mounting hardware.
  • Range 100m.


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£4.16 tax excl.

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Weight103g (Receiver) 25g (Transmitter)
Batteries RequiredYes
Battery type3 x AA (Receiver) 23A (Transmitter)
Dimensions118 x 39 x 85mm (Receiver) 88 x 20 x 36.5mm (Transmitter)
Transmission frequency433.92MHz (±150kHz)

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Cat & Dog Repellent

Defenders Cat & Dog repellent is a  ready to use spray containing natural aromatic plant oils proven to deter cats and dogs from digging, scratching and fouling in garden and patio areas.

Choice of 750ml trigger spray container which can treat up to 225 square metres or 1.5 litre container pump action sprayer allowing even coverage over large areas and will treat up to 450 square metres.

Use on flowerbeds, lawns, seedbeds, patios, gardens or anywhere dogs and cats cause problems with fouling.

Pest Control Equipment

Bird Scarer Manufacturer, Supplier of Bird Control and Pest Control Devices

Martley Electronics, a top resource for pest control devices. Dealing with the hassles of unwanted pests can be easier using the latest electronic solutions, there are new technologies in pest control often more humane and less intrusive than was previously available.

Martley Electronics has been manufacturing bird scarers and other pest repeller devices since the early 1990’s, giving us over two decades of experience helping you with your pest problems. Our bird scarer range has evolved through the years with all machines being designed and manufactured in the UK and shipped to users with pest or bird control problems all over the world.

Every pest control issue is different. Perhaps you need to scare away feathered intruders without disturbing humans or other animals—if this is the case, our silent bird repellers may be the right solution for you. These use high frequency or ultrasonic sound to scare away birds without adding noise pollution.

Bird scaring is not the only problem we offer solutions for, we have devices for cats, badgers, rats & mice, foxes, moles and many other types of common pest, also wireless security devices that help protect your property from human intruders too.

Shopping with Martley just makes sense. We are a family-run business that offers friendly, personal service and will work with you to satisfy all your pest control needs. We make every effort to offer low prices, and affordable shipping options.

Next time you find yourself facing a pest control problem, do not feel like you have to face it alone. Contact Martley Electronics and let us help you find the right device that can rid you of whatever pest happens to be getting under your skin.