Motorcycle security alarm system Features Million sets of rolling codes Water-proof (main machine, horn and remote control) M security seting Remote xontrol vibration sensitivity Prevent wire cutting and power off never lasting memory Remote control for engine stalling Multi-track surrounding horn Car searching and alarming in parking lot Upgrade version Code learing : Change remote Controller randomly Start key No sound is better In given situation Sensitivity: The remote controller can Have the sensitivity adjust Powe off memory Thief cannont really steal it.