The antitheft Lion Alarm keeps bikes safe. It works with all CROPS K4 locking series. Which can fixed to the CROPS Linkstation for downtube as well. Lion Alarm can select the volume at 60, 90, or 120dB. This system has power indicator and also it is powered by a rechargeable lithium ion battery.
Constant : Approx 160hrs.（At ON mode） Constant alert：Approx 22hrs.（Repeat alert for every 10sec.） Full charge : Approx 2hrs.