This laser power meter is truly a technological breakthrough for users of low power CW lasers! This is the most versatile, compact, and affordable laser power meter available today. Controls and indicators: power/wavelength display select switch, wavelength select increment and decrement buttons, sample/hold button, 3-digit LCD with units indicator, attenuator position indicator, attenuator position control slide and over-range tone generator. Automatic functions: power range, wavelength correction, peak sample & hold, shut-off, over-range detect, and attenuator position detect. Additional features include an over-range indication, pocket clip, and storage case.
Note: Battery is not replaceable.