Basic Motorcycle Alarm Security System with 2 Remote Controls & Siren Very wide monitoring scope Remote control. Anti-Rob system with built in shock sensor; Waterproof Compact ECU for tight spaces. 6 Tone Siren Universal Waterproof Motorcycle Alarm System with basic features for security of your bike motorcycle - Bike must have battery 2 Remotes, 1 Brain, Wiring harness Frequency: 315.5MHz, 433.92MHz. Voltage: 12V3V. Static Current: &lt; 8mA No installation instructions included; This item is not plug and play; Installation can be easy or complicated depending on what features you want. If you ONLY want an alarm, then its only a 2 wire hookup: Red = Battery, Black = Ground (-)