Bicycle Parts Product Information: A8 Bicycle Rear Lamp The Rear Lamp A8 and A8 Pro adopt the latest technology and provide a wide range of cost-effective solutions to meet most of cycling warning needs. They serve as cycling rear lamp, braking light, bell, remote call anti-theft siren. * Light Source: LED COB Red Light * Mount: Saddle Rail or Round Seat Post, both Brackets included * Net Weight: Lamp 66 grams / Remote Control: approx. 23 grams * Remote Control Battery: 12V/27A battery, replaceable, not chargeable * A8 Pro Battery: 800mAh, runtime approx. 8-30Hrs. (A8 Battery: 700mAH) * Ingress protection: IP65, water splash proof. Do not submerge in water to use * Light Mode: 4 modes, Auto Fast Strobe / Breathing / Manual Pop Strobe / Steady * Alarm: 115db, A8 Pro has 5 tones and volume adjustable, A8 has 1 tone, not adjustable ** Accurate braking warning light to increase cycling safety ** Dual mount system to install at saddle rail or round seat post ** Audio warning for wireless bell, remote call, and burglary alert ** Supports up to 5V 2A input charge, handy use at wide range of adaptors ** Unique dome-shaped reflector to optimize visual effect and lower direct dazzle