Bicycle Parts ANTUSI A8 Automatic Brake Taillight Anti-theft Alarm Lock Remote Smart Bicycle Rear Light Wireless Bell Bike Lamp Waterproof A8 Bicycle Rear Light (With 1pc Remote Control) The rear lamp A8 adopts the latest technology and combines full-round functions in one small lamp. In addition to regular rear visual warning, it features in braking light. The mode option is provided with manual steady and smart sensing to motion and ambient brightness. The horn serves not only as remote call and audio warning to passers-by, but also for anti-theft when properly set. The enclosed remote control provides convenient operation and easy management. Without the charging limitation of low current, it supports charging with 5V 2A, paving the way to safely work with wide scope of battery bank and adaptors. And the mount system allows for installation on both seat post and saddle rails. Feature: * Material: Re-enforced Plastic * Alarm: Electronic, up to 115DB * Light source: LED COB Red Light * Sound: 3 options (Siren / Bell / Chirping) * Control: Remote Control Button Switch * Lamp Battery: 700mAH Li-polymer, rechargeable * Charge: About 2-3 hours to full charge (5V 2A max) * Weight: Lamp: Approx. 66g / Controller: Approx. 23g * Run time: Approx. 20-40 hours, subject to time in use * Ingress protection: IP65. Do NOT submerge in water to use * Light Mode: 3 modes (Constant / Slow Strobe / Breathing Strobe) * Function: Rear Visual Warning / Bell / Burglary Alarm / Remote Call * Controller Battery: 12V/27A battery (included), replaceable, not chargeable Advantage: ** Two mount solution for Seatpost Saddle Rails ** Smart sensing to motion and ambient brightness ** With charging indication light and low battery indication ** Built-in Li-polymer 700mAH batter, long runtime 20-40hrs ** Full functions in one rear lamp: both visual warning and audio warning ** With braking light, it illuminates in high brightness when braking detected ** The high volume horn utters audio warning to passers-by theft or burglary ** Support high current charging up to 2A, wide application to battery bank adaptors ** Patented diffuser reshapes lighting, visual effect improved while direct dazzle reduced Deployment button: Pressing the first button of the remote control will soundBI BI BI three times, the light will flash three times, and after three seconds, a beep will enter the deployment. Cancel button deployment: Press the second button of the remote control, and theBI will sound for a long time, and the light will light up for a long time to disarm. Tail light warning button: Short press to switch between three taillight modes, cycle through three gears, fast flash, slow flash, and constant light Bell/search button: Short press the fourth button on the remote control, the light will flash three times and the horn will sound three times. Long press, the light will flash three times, the horn will sound three times, the light will light up for another three seconds, and the horn will sound one long sound.