Features:
Durable, lightweight and high quality ABS construction. 
3 AAA batteries(not included) can completely ensure the voltage required by LED lamp.
Two LED lamps have enough brightness and can ensure better magnifying effect.
Compact and lightweight, it is great to have one in your pocket all the time.
It is ideal tool for industrial purpose, coin and stamp, etc.

Specifications:
Lens Material: Glass
Frame Material: ABS
Color：White
Battery: 3 * AAA batteries(not included)
Multiplying power of lens: 40X
Lens Diameter: 2.1cm / 0.8in
Item Size: 12 * 3.2 * 2.6cm / 4.7 * 1.3 * 1.1in
Item Weight: 39g / 1.39oz
Package Size: 12.5 * 3.5 * 3.5cm / 4.9 * 1.4 * 1.4in
Package Weight: 57g / 2.01oz

Package List:
1 * 21mm 40X LED Magnifier
1 * Instruction
1 * Leather Case
1 * Box

Notes:
Please allow 1-2cm (0.4-0.8") differences due to manual measurement, thanks.