Abstract: A flashlight having its components securely coupled together is provided. Mounting an illumination member in an engagement member, attaching a connecting assembly to an illumination assembly by bending latches downwardly for allowing a ridge to engage with slots, and attaching the coupled connecting assembly and the illumination assembly to a battery compartment by engaging a flat with a bottom of a first wall to electrically couple the illumination assembly to the battery compartment, inserting a pin insert into a gap between second walls for positioning, engaging keys with transverse portions of L-shaped grooves, and rotating the illumination assembly about the battery compartment until the keys enter into vertical portions of the grooves will secure the above components together.

Abstract: A warning light of bicycle comprises a flashlight comprising a battery compartment including spaced, arcuate projections around a forward extension, a rear holed tab for connection to a lanyard, and a bottom slot; a cylindrical LED carrier assembly including rear contacts electrically interconnecting cells and LEDs; and a cylindrical head assembly including inner recesses engaged with $ projections by turning the head assembly a small angle about the battery compartment; and a clip assembly releasably secured around a tube component of the bicycle, an upper seat having two arcuate wings for clamping the battery compartment, a latch member inserted into the slot for fastening the flashlight, and a flexible tab adapted to press down to clear the latch member from the slot for disengaging the flashlight from the clip assembly.

Abstract: A warning light of bicycle comprises a flashlight comprising a battery compartment including spaced, arcuate projections around a forward extension, a rear holed tab for connection to a lanyard, and a bottom slot; a cylindrical LED carrier assembly including rear contacts electrically interconnecting cells and LEDs; and a cylindrical head assembly including inner recesses engaged with $ projections by turning the head assembly a small angle about the battery compartment; and a clip assembly releasably secured around a tube component of the bicycle, an upper seat having two arcuate wings for clamping the battery compartment, a latch member inserted into the slot for fastening the flashlight, and a flexible tab adapted to press down to clear the latch member from the slot for disengaging the flashlight from the clip assembly.