- Lens are adjustable, can be as single lens, dual lens or tripe lens

- LED light is detachable; LED lighting angle can be adjust to left/ right, up / down

- Headband can be adjust as per your head, comfortable to wear

- Suitable for checking, repairing, assembling, carving and observing etc.

- With LED light, bright and energy-saving

- Magnification: 1.5X, 3X, 8.5X, up to 10X

- Battery: 2 x AAA, 1.5V (not included)

- Voltage can be increased from 3V to 4.5V by using 2 x AAA batteries, to increase brightness of LED light

- Battery working time: 30h (brightness won't change)

- Battery only has 30% power, can work normally when voltage is 1.5V