Pressure valve caps

Date: January 2007

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Tested here as a prototype, this device will be smaller when it goes on sale in February. The handheld display works as a normal gauge. But once the correct pressure has been entered, when you hold it close to one of the caps– each has a battery and four LEDs – the lights flash according to the psi. Gadgety and pricey, but does what it says on the tin.

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