•Advanced electronic ballast with power up to 0.93 or higher and THD less than 40%
•High-class optical lens for observation with less likeliness to cause eye fatigue
•Unique wide observation range
•Special robust movable knuckle design for convenient adjustment

Input voltage: 110v 60Hz/220v 50Hz
Power:22W
Magnifications:3x, 5x, 8x,10x
Dia of lens:125mm
Color:light grey