Bicycle Taillight LED MTB Bike Rear Light Bell Wireles Remote Control

?In addition to regular visual warning, features braking light. For audio warning, A8 serve as bell, remote call & anti-theft siren.
?strict production of the full range grants stable and reliable performance, either by lamp itself or in different work environment.?
?Not restricted to low input current, the full range safely supports high current charging up to 2A 5V, convenient to backup power at sources available.
?Further for wide application with the enclosed changeable brackets, these lamps may mount on both saddle rail and round seatpost.?

specification:
* Size: 50*43*42mm
* Remote Size: 58*35*15mm
* Run Time: about 12-40hour
* Material: Aluminium Alloy + PC
* Battery: Polymer Lithium Battery 800mAh
* Function: Rear Visual Warning / Bell / Burglary Alarm / Remote Call
* Controller Battery: 12V/27A battery (included), replaceable, not chargeable
* Light Mode: 3 modes (Constant / Slow Strobe / Breathing Strobe)
* Sound: 3 options (Siren / Bell / Chirping)
* Light: LED Light
* Charge: About 2-3 hours to full charge (5V 2A max)
* Package: 1 Set Bike Smart Taillight