Function: Vibration anti-theft alarm, rear light, electric bell
Feature: Waterproof, strong rear light
Special function: A6 has remote control, A3 does not have.
Rainproof: Rainproof, waterproof
Battery: USB rechargeable battery
Position: Rear lights, taillights
Lights color: Red
Unit Type: piece
Weight: About 88g (A6) / 68g (A3)
Package Weight: 0.390kg (0.86lb.)
Package Size: 20cm x 18cm x 10cm (7.87in x 7.09in x 3.94in)
Important: A3 has No remote contorl and bell fucntion, others are same as A6
Remote control: Effective distance 1-100 meters (in open ground)
Alarm model: Smart alert & birght taillight.
Rainproof: IPX 5 star class rainproof
Battery: USB chargable 800mAh WAL-MART special supply Lithium battery.
Battery working time: 15days ( operate 5 times), 30 days standby.
Sound: More than 120db
Light beads: COB brigth light
The A(red key) is for Flash Model Switch, the B (blue key) is the Calibration code key for reset the light to be functional again when it is needed.