Features:<br />Easy installation.<br />Fits for most type of bikes.<br />Waterproof, safer in water fog when riding in the rain.<br />5 LEDs and 2 laser bulbs, they are work independently.<br />2 high quality visible red lasers make an instant bike lane for an enjoyable and safe night ride.<br />Beautiful decorations and provide more safe as rear signal lighting in the evening riding!<br /><br />Specifications:<br />Body color: Silver<br />Light Color: Red, Blue, Green<br />Size: 90mm x 62mm x 26mm (approx)<br />Powered by: 2 x AAA batteries required (included)<br />Seat post Diameter: 20-31.8mm<br />Laser 2 modes: Steady, Flashing<br />2 LED 7 modes:<br />Mode1: Eyes 2 LED constant on<br />Mode2: Eyes 2 LED fast flashing<br />Mode3: Eyes 2 LED slowly flashing<br />Mode4: Left eye,right eye 2 LED flashing in turn<br />Mode5: Right eye,left eye 2 LED flashing in turn<br />Mode6: Eyes 2 LED flashing flash alternately<br />Mode7: Left eye LED flash twice, and then right eye LED flash twice circularly<br /><br />Package includes:<br />1 X Bicycle laser tail light<br />1 X Mount ring