It has four different modes: three levels of white light brightness, plus a red light mode (so you could jog with it before sunrise and still be seen by cars, or just wear it without blinding anyone who's walking the opposite way). The light itself is tilt-able, so you can illuminate anything comfortably.
อ่านต่อเพิ่มเติม โรงเรียนบ้านควนตม
สาระสำคัญ ท่อน้ำดี