Package Content:Host x 1Speaker x 1Remote Control x 2Stickers x 1Wire x 1Manual x 1Material: ABS+ electronic componentsOperating voltage: 12V +/- 3VQuiescent Current: <8.5mAOperating frequency: 315KHZSpeaker Specifications: 125dbSpeaker size: 5.45x5.45x3cm， wire approximately 35cmHost Size: 6.4x6x2.1cm， wire approximately 13cmThis electronic security system with remote controls can help your motorbike keep away from thievesRemote Arming/DisarmingRemote Engine Start: Keyless EntryAdjustable Shock Sensor， flashing lights warning4 buttons remote transmitters， compact and powerful 125db piezo sirenSmart Alarm that Automatically Recognizes Vibration FrequencyEmergency Alarm: Anti-Hijacking by Cutting Power SupplyFit For any motorcycle with 12Volt battery