... with the international advanced level in the micro-processing hardware ,software technology , microelectronic technology, and surface mount (SMT) ... the current international advanced level, handheld light source provides continuous or modulated light output (2 KHz) in the state ... dBmOutput Stability±0.10dB/1h(20°C)Mode of Light OutputCW & MODModulationCW,270Hz,1KHz,2KHzOptical InterfaceFC adapter(SC, ...