specifications︰

(1)   Central Wavelength: 650 +/- 10 nm 
(2)Output Power: 1mW into Single mode fiber 
(3)Spectral Width: < 10 nm 
(4)Transmission: CW or 2.5 Hz pulse 
(5)Batteries: 2xAAA Alkaline batteries 
(6)Operating Temp.: 0℃ ~ 50 ℃ 
(7)Detection Distance: 6 KM 
(8)Dimension/Weigth: 13.5(O.D)X170mm(L)/88g
(9)Light Source: Class 3A laser diode

Advantages︰

(a)Visual Fault Locator is used for locating broken point in fibers . 
(b)Visual Fault Locator is equipped with a 650-nm visible laser diode, can be operated in continuous or pulse modes for clear noticeable results 
(c)One green LED indicator shows the operating mode. 
(d)Power switch on the end for battery on/off. 
(e)Push button operate CW/Mod.(2.5 Hz frequency)/pause. 
(f)Clip pocket-size pen design.
(g)Protective cap for extra protection. 
(h)Low Battery Indicator: 
The Status LED will turn to red when the batteries power are low.