Features: 
‧ Fastest display
‧ Easiest operation
‧ The most cost-effective solution
‧ Automatically power-saving mode
‧ Power on & battery low indicator

Specifications:
‧ Peak wavelength: 1300nm
‧ Fiber core: 62.5/125µ
‧ Power: 9-volt battery

DBm to micro Watt conversion: 
‧ -20dBm=10 micro Watt   -30dBm=1.00 micro Watt 
‧ -21dBm=7.9 micro Watt  -31dBm=0.79 micro Watt
‧ -22dBm=6.3 micro Watt  -32dBm=0.63 micro Watt
‧ -23dBm=5.0 micro Watt  -33dBm=0.50 micro Watt
‧ -24dBm=4.0 micro Watt  -34dBm=0.40 micro Watt
‧ -25dBm=3.2 micro Watt  -35dBm=0.32 micro Watt
‧ -26dBm=2.5 micro Watt  -36dBm=0.25 micro Watt
‧ -27dBm=2.0 micro Watt  -37dBm=0.20 micro Watt
‧ -28dBm=1.6 micro Watt  -38dBm=0.16 micro Watt
‧ -29dBm=1.3 micro Watt  -40dBm=0.10 micro Watt