G11 Optical Power Meter High Precision Rechargeable Fiber Optic Power Meter with Flashlight OPM Measurement Range -50~+26dBm FC/SC/ST Specifications: Measuring Range: -70~+6dBm / -70~+10dBm / -50~+26dBm (Optional) Midel: G1110 / G1150 (Optional) Material: ABS Wavelength Range: 800~1700nm Probe Type: InGaAs Uncertainty: ±5% Standard Wavelength (nm): 850/980/1270/1300/1310/1490/1550/1577/1625 Display Resolution: Linear display: 0.1%                              Logarithmic display: 0.01dBm Frequency Identification (Hz): 270, 1000, 2000 Quiescent Current: ≤ 18uA Working Current: ≤ 25mA Battery Working Time (h): ≥ 20H Charging Voltage: 5V Recharging Current: ≤ 500mA Charging Time: ≤ 3h Automatic Shutdown Time (min): 10 Power Supply: Rechargeable lithium battery with external input Battery: 400 mAh Item Size: 172 * 40 * 28mm / 6.77 * 1.57 * 1.10in Item Weight: 85g / 2.99oz Package Weight: 125g / 4.41oz Package Size: 19.3 * 7.3 * 4.2cm / 7.59 * 2.87 * 1.65in Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store