DescriptionThis fiber optic tester is made of premium material, which can withstand long-lasting use. Features the aluminum alloy, ABS and canvas material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color:As Shown -Material:Aluminum alloy, canvas, ABS -Size:17.50X2.50X2.50cm/6.88X0.98X0.98in -Size:4.70X1.00X0.90cm/1.85X0.39X0.35in Output power: 30mW Battery: 2 x AA (not included) - Aluminum alloy outer shell, comfortable hand feeling, texture on the pen body making it nonslip. - This optical tester will emit light for fiber locating and tracing, easy for you to find faults or breaks. - This fiber optic tester has high output power up to 20-30km. A high-efficiency power supply circuit ensures a stable power supply. - Equipped with FC male-LC female adapter to meet the needs of use. - The excellent production process makes it have a good texture, can serve you for a long time, and will not be easily damaged.