Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Note: This pen cannot be shot on the eyes directly.Features:Easy to check fiber faults with visual red laser light FC， SC， ST General interface Sturdy and durable shell constant output power long inspection distance operates in either CW (Continuous wave) or pulse (Both modes are available) Pen pattern design， convenient for use and carry Dust-proof design keeps fiber connectors clean Compact in size， light in weight， red laser output， both SM and MM availableThe 650nm Pen-type Visual Fault Finder is specially designed for field personnel who need an efficient and economical tool for fiber tracing， fiber routing and continuity checking in an optical network during and after installation2.5mm universal connectorOperates either in CW or PulsedConstant output powerLower battery warningLong battery life (up to 60 hours)Central wavelength: 650nm±10nmEmitter Type: LD Output Power: 10mWOptical Connector: 2.5mm universal connectorCW Frequency: 2HzOperating Temperature: -10~+60℃Storage Temperature: -20~+70℃Power Supply: 2 x AA battery (Not Included)Package Included:1 x Visual Fault Locator Fiber Optic Cable Tester1 x Carry Bag