Features:

LED indicators and laser beams can operate simultaneouslyThe "bike logo" can be projected behind the bike so as to warn the behind vehicles to keep safe distanceWith an adjustable clamp, easy to install and removeThe LED indicators and laser beams have 4 flashing modesAuto-off after parking about 5 minutes to reduce power consumptionSpecification:Durable & fine workmanshipBattery: 2x AAA battery (not included)Switch: 2 buttons (On, Off and mode select)Waterproof level: daily life waterproofSize: approx. 8.6 x 3.1 x 4.9cmBicycle mount fits approx. 20-36mm diameter tubesInstructions:Long press the LED button for 2 seconds to turn on/off the 5 indicator lights; then press LED button once to switch lighting mode (4 modes).Long press the LAS button for 2 seconds to turn on/off the 2 laser beams; then press LAS button once to switch lighting mode (4 modes).
Package Content:

1x Laser Bike Tail Light1x Bicycle Mount