FTTH Fiber Optical Power Meter Optic Cable Tester -70~+10dBm w/ 400mAh Battery
£19.20
Battery capacity: 400mah. Endurance: ≥ 20h. Power converter. Size: 34 17 125mm. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away.
