Features: This electronic anti-theft alarm with remote controller can let your motorbike keep away from thieves. Remote start, keyless driving. Remote control flameout, anti-theft and anti-grab. Using scrolling dynamic learning coding, anti-copying, cracking is more difficult and safer. The horn alarms and the direction light flashes-. One-click car search, overtaking warning. The sensitivity is freely adjustable. The host is ultra-small, waterproof, and ultra-low power consumption to prevent battery drain. The internal circuit design is optimized, the distance is farther, and the anti-interference is for stronger. The remote controller uses the tens of millions of code cipher-chips, which are not self-encoding (significantly reducing the probability of re-code and cracking). High-power alarm speakers, small and powerful 125db piezo- alarm, can scare away thieves and issue warnings in for time. Specifications: Material:ABS Size: Approx.6.3x6.8x2cm/2.48x2.67x0.78inch Color:Black Package Includes: 1 x Horn (125dB) 1 x Host 2 x Remote Controls 1 x Instruction note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.