JW3111 optical Light SourceMIB-INSTRUMENTS"Can Buy It Now in my eCRATER store"Specifications Type JW3111 Wavelengths(nm) Provides 1~6 Wavelengths according to needs. Emitter Type FP-LD,LED Typical Ouput Power(dBm) 0@650nm / -7 @1310nm,1550nm, -20dBm for LED Spectral Width(nm) ≤10 Output Stability ±0.05dB/15mins; ±0.1dB/ 8hours Modulation Frequencies CW.2Hz@650nm / CW,270Hz,1KHz,2KHz@1310nm,1550nm Optical Connector FC/PC(Other type adapters can be required) Power Supply Alkaline Battery(3 AA 1.5V batteries); AC Adaptor(9V) Battery Operating Time(hour) 45 Operating Temperature(℃) -10~+60 Storage Temperature(℃) -25~+70 Dimension(mm) 190X100X50 Weight(g) 370 Joinwit Recommendation JW3111 Handheld Light Source is designed for optimal use with JW3211 Optical Power Meter for measuring optical loss on both single mode and multimode fiber cable. Standard Package MODEL INCLUDES All JW3111 Models JW3111 Optical Light Source, 3pcs 1.5V batteries, AC Adaptor, User Manual, Cotton swabs and Soft carrying case. You can download the reference files onPaymentShippingWe accept Paypal, credit card through Paypal. Buyer may need to pay for import tax depend on your country's custom. You can ask us for more detail. We ship to international and item will be shipped by airmail from HongKong. Items are shipped within 2-3 business day after receive cleared payment. An additional USD4 for insurance Most item will arrive within 8-14 business days. It depend on your location. In some case, ship to some countries will take over 3 weeks, especially brazil, Italy and France . On Aug-12-14 at 02:31:34 PDT, seller added the following information:Powered by eCRATER . List your items fast and easy and manage your active items.