SR3116 Light Source
Wave ID information can be transmitted when used with Optical Power Meter.
Tone generation, 270HZ,330HZ,1KHZ,2KHZ
Output power can be adjustable
Output power value is shown on LCD display
Intelligent backlight control (light intensity can be adjusted properly according to ambient light, which greatly reduced power consumption)
AA alkaline and AC adapter for power supply
Low battery indication