Features:Mini, compact size.Using imported laser, the red light is stable and the brightness is enough (better than other red light pens on the market, tested and compared).Built in LED lighting, can be used in a dark environment very convenient.Built-in lithium batteries: no power can be charged directly, without always changing batteries, but also with the use of rechargeable treasure.Automatic shutdown function: automatic shutdown can be set. Specification:Product model: SGV-15Product function: 15 km red +LED lighting lampOutput power: 10-15mWOutput wavelength: 650nmInterface type: 2.5mm universal adapterWorking temperature: -20~60 CStorage temperature: -40~85 CPower supply: built in lithium batteryProduct size: 125mm x 35mm x 17mmPackage size: 129mm x 40MM x 30MMWeight: net weight (46.9) gross weight (60.2) Package Included:1 x Optical Fiber Tester Power Meter Pen Details Pictures:
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