Product Name: Mini Power Meter Model: KD-610B Brand/ Origin: China Description: KD-610 mini power meter is our latest self-developed test instrument, which adopting advanced unique chip, with features of ingenious appearance, high performance, and compact size. It has been widely used in telecommunication engineering and maintenance, teaching, scientific research and factories. It is an ideal test instrument for optical fiber solution. Specifications: Type KD-610B Wavelength nm 800^ 1600 Detector InGaAs Measurement Range dBm -50~ + 10 Uncertainty ± 5% Power Relative measurement 0.01dBm Operating Temperature -10~ + 60 Storage Temperature -25~ + 70 Auto-off Time min 10 Battery Operating Time h 50 Power Supply Alkaline battery ( 3 AAA 1.5V battery ) Weight g 75 battery excluded Dimension mm 118× 60× 20