hmmm, cheap 1? cheetah alarm is easily availble in Sim Lim
tower, and feedbacks was bery Good, cost $40 + DIY, if wana
installation, call a guyz n he will fix for u, $35 total will be
75+ warranty, cheaper than Ah Boy
and feedback from Ah Boy alarm was bad, + autostart will spoil cdi,
wana get auto start get car lor 
prove nothing to me, jus that a bike can auto start 