0 to 180 psi - This 6 wheel kit comes with a booster relay which gives you the option of an extra 25m to 60m signal to allow caravans etc to be monitered. Monitor must run off Cigarette lighter or can be hard wired in.
TPMS with internally fitted sensors (straps around rims). Highly reliable for critical environments. Does 4 wheels plus 2 spares or single axel trailer.