The LS-800 optical Light Source is a small size, low cost item which fulfils all necessary technical field equipment requirements and is available in seven working wavelengths - 850, 1300, 1310, 1490, 1550, 1625 nm and a visible 650 nm laser source. The modulation and AWD (Auto Wavelength Detection) functions are available when interacting with the PM-800 Power meter. The rechargeable battery ensures long term working with a minimum life time of five years. Batteries can be charged via a USB port or external AC/DC adaptor. The microprocessor controlled charging process ensures optimal battery status and extended operation time. The changeable connector/adaptor design allows the simple exchange of optical PC or APC connectors (FC, SC or ST) and easy cleaning of the output connector ferrule after removing the connector adaptor. LC/PC and LC/APC are also available