2PCS Home Testing Tools, Portable Finger Tip, Fingertip Tool, LED Display Home/Sport Use Black and Blue

Description

💗This fingertip tool, based on all advanced digital technology, can be used to measure, which is suitable for sport use and home use, etc.  💗Specifications: Item Colour: Black Blue Battery: 2* 1.5V AAA alkaline batteries (no battery during shipping) Power Consumption: Smaller than 25ma Display Screen: LED  Display Format: Digital tube display Measuring Range: 0%~100% Intensity Display: Columniation display  Optical Sensor:  Red light (wavelength is 660nm, 6.65mW) Infrared (wavelength is 880nm, 6.75mW) Package Size:70*65*40mm/2.8*2.6*1.6in Package Weight: 37g/1.3oz 💗Packing List: 2* User Manual 2* Rope for Hanging  2* Fingertip Tool