This is a Flash Off icon. We've made it in iOS style, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 12,700 icons, all in the same style and quality.
An hourglass shape that has the bottom left corner and upper right corner extended slightly further than the rest. The hourglass is leaning thirty five degrees to the left. there is a line running from the upper left through the center of the hourglass to the lower right. The straight line extends past the top and bottom of the hourglass.