Tria Beauty Hair Removal Laser Precision Tria hair removal laser in sleek white. Compact and easy to use. Featuring the same diode laser technology as the Tria Hair Removal 4X, the Tria Precision is designed for smaller, more sensitive areas like the upper-lip and chin (female), bikini line and underarms. Manual has been thrown away, however instructions can be found online with a simple search. Sold as is, gently preowned condition and minimally used.