Carbon Monoxide Alarms

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8 Products found  

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Create your own bat detector kit, Build and ...
Create your own bat detector kit, Build and solder a device to detect high frequencies, Learn about bats, echolocation, frequencies and electronics, Includes 17 components to play and learn with, Suitable for ages 14+ with adult supervision, Requires one 9V ...
Cabinet key and voltage detector, Contact-free detection, Bright ...
Cabinet key and voltage detector, Contact-free detection, Bright LED indicator, Four different key profiles, Ideal for Ideal for technical installation and opening/closing control cabinetsThe Knipex pen-style control cabinet key and voltage detector is easy to carry with its fastening clip. ...
Build your own lie detector, Catch your family ...
Build your own lie detector, Catch your family and friends out when you think they’ve been lying, Powered by a single 9v PP3 batteryHow does it detect lies?This kit demonstrates the basic principles of lie detection. Using small components it ...
The ideal addition to any metal detection kit, ...
The ideal addition to any metal detection kit, Inbuilt flashlight feature, Pinpoint the precise location of your potential find, Lightweight and compact, Save time by eliminating the need to dig over large areas, Low battery indicator, LED and vibration indicatorWhat ...