Quick Overview 270 Degree High Visibility Design Highly Adjustable Mounting System 30 Lumens Daytime Flash Mode 5 Modes: 2 Solid / 3 Flash Micro USB Rechargeable Description UTM-30/60 E-Lume Tail Light User Manual ???? *Please note, flickering or pulsating observed in video is due to, “strobe effect,” a video capture phenomenon and is not representative of what is seen by the naked eye (steady shining light)* Limited Lifetime Warranty Serfas warrants to the original purchaser that the product is free of defects in material, construction, and/or workmanship for the lifetime of the product. Battery Warranty – One Year Coverage Serfas batteries are covered by a 1 year warranty from the original date of purchase. Features: 30 Lumen Max Output 4 LED Chip Finned Lens Design Provides 270 Degree Visibility Blue LED Charge Indicator Daytime Flash Mode Up To 34 Hours Runtime Micro USB Rechargeable Specs: Solid Modes: High – 15 Lumens / 2 hrs Low – 6 Lumens / 6 hrs Flash Modes: Daytime Flash – 30 Lumens / 34 hrs High Flash – 15 Lumens / 19 hrs Low Flash – 6 Lumens / 34 hrs Weight: 26 Grams w/ Bracket Size: Overall Height – 56.3mm (2.22) Main Cylindrical Body Width – 21.7mm (0.86) Widest Fin Width – 32.3mm (1.27) Charge Time: 2 hrs Using 500mA USB Wall Charger Product Package Contents: (1) UTM-30 Cosmo 30 Lumen Tail Light (1) Micro USB Charging Cable (3 Sizes) Rubber Mounting Inserts (3 Sizes) Rubber O-Ring Mounting Straps Tags: lights, tail light