Specifications:

• Operating Temperature: Battery: 3 * AAA (not included)
• Model Number: Optical Power Meter
• Measuring Voltage Range: Measurement range: -70 to +3dBm
• Measuring Current Range: Wavelength: 800nm to 1700nm
• DIY Supplies: Electrical
• Dimensions: 130 * 63 * 29mm
• Brand Name: KKMOON
• Accuracy Class: Uncertainty: ±5%