EXFO FLS-110-03P, Optical Source

The FLS-110 offers CW and 2 kHz modulation for fiber identification, complete status indicators, low battery indicator and an auto-off function. 1550 nm polarized LED output. The unit is housed in a sturdy, waterproof case surrounded by a shock-absorbing holster that protects the instrument in tough field conditions. Features high and low power levels to maximize battery life.