FREE1216ALL01
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Maybe 1cm per 1m/s/s and doing first year physics, specifically Galileo dropping stuff in Pisa.
Button cell battery, lasts 10,000 hours? It must be bright!
LED lasts 10000 hrs I think.
These survival devices are a joke… don't worry if you use the whistle over 5 years, it'll generate enough sound energy to cook a cup of water.
Haha, if you're lost in the wilderness you don't need a bloody thermometer to tell you it's cold! Then again, you could blow the whistle to make yourself warm…
9.8 cm. That's just silly.
TY, I got one.I would have been nice with a free Xmas cracker as wrapping tho.