The great quality Nebo Poppy Lantern and Spotlight Combo designed in the USA with it's rubberised soft to the touch body design features a side position ON/OFF button.
COB (Chip on Board) LEDs which are the most recent development in LED technology using chips with multiple diodes ( typically 9 or more ). There is no casing with COB technology which enables a much denser array of light compared to SMD or LED bulbs.