10mW Portable Optical Power Meter 650nm Red Laser Visible Fault Detector Locator with LED Light Item Type: Optical Power Meter Model: T1102 KLT Material: ABS Maximum Power: 10mW Test Distance: 5-8KM Laser Type: LD Wavelength Range: 650nm Working Temperature: -20-60℃ Modulation Frequency: CW/2Hz Working Hours: 5H Battery: 2 x AAA 1.5V battery (battery not included) Item Type: Visual Fault Locator Model: T1101 KLT5 Material: ABS Probe Type: InGaAs Wavelength Range: 800-1700nm Power Measurement: Range: -70-6dBm Uncertainty: <0.2dB Display Resolution: 0.01dB Working Temperature: -10-60℃ Storage Temperature: -25-70℃ Power Working Time: 20 hours Battery: 2 x AAA 1.5V battery (battery not included)