Colour: <br>- Red+Blue<br>- Red only<br>- White only<br><br>5 modes (check video):<br>a) Red only stable<br>b) Red only flash<br>c) Blue only stable<br>d) Blue only flash<br>e) Red-Blue alternate flash<br><br>Specifications:<br>- Surface Luminescence Technology<br>- High brightness with 100m visibility<br>- COB LED<br>- USB rechargeable<br>- Imported Silica gel band<br>- High 500mah battery capacity<br>- Runtime up to 4.5hrs<br>- Weatherproof<br>- Dimension 87x20x30mm<br>- Sleek design<br><br><br>Delivery note: <br>We do not provide guarantee for lost mail if Singpost normal mail option is selected.  Kindly take note.<br><br>Caution note: Please use red-blue flash with care and you may also be warn by traffic police.