【Alarming System】-- 4 buttons remote transmitters, flashing lights warning/125db powerful siren warning,【125dB Anti-theft Design】-- Great anti-theft system for your motorcycle. High power high decible alarm loudspeaker, compact and powerful 125db piezo sirenit, can scare the thieves and warn to you in time,【Waterproof & Durable】-- Our motorcycle alarm system is resistant to high pressure and waterproof. Ultralow power consumption without an effect on battery life,【For 12V Battery】-- Easy installation, connected to positive and negative electrodes. Professional installation recommend. Work with any motorcycle with 12 Volt batteries,【Highly Effective】-- This electronic Anti-theft Alarm with remote controller can let your motorbike keep away from thieves. Smart alarm that automatically recognizes vibration frequency