【LONG LIFE & BRIGHT BEAM】Clip lamp can clip on glasses, and it is made of ABS material, powered by 2 push-button CR2032 batteries, 1 high-brightness LED, long life and bright beam. 【SIMPLE & USEFUL】Just clip on hat , simple and useful ,Strong clips to stay in place , easy to remove if needed. Multi-functional for various purposes, such as night fishing, reading, home appliance maintenance, etc. 【PORTABLE & LIGHTWEIGHT】Mini clip-on led spotlight size: Approx. 4 * 2.3 * 3cm / 1.6 * 0.9 * 1.2in. Mini in size and compact in appearance, portable, lightweight and easy to carry. 【CLIP-ON DESIGN】clip on reading light is Clip-on design, usually you can clip it on glasses and spectacles sides or hat brim for ultimate convenience and relax your hands. 【FREE ADJUSTMENT TOWARDS】The eyeglass clip lamp is 360 degree rotatable, and you can do adjustment towards its lighting angles. There is humanized convex light barrier on the beads side for blocking the light to affect your eyes., Manufacturer: Dioche