Smart IR Checker works by plugging it in the smartphone headphone jack, then you can measure the visible light.
*EASY TO USE
-Anyone can know how to use it with just a glance.
-Plug in the Smart IR Checker in the smartphone headphone jack.
-Download the app and tap [ON] button and start measuring infrared light.
*ULTRA SLIM & SMALL SIZE
-The World Smallest Sensor (length: 30mm weight: 6g)
-Connect and place the sensor near the objective you want to measure.
-You can check the infrared light at anytime and anywhere!
*UTLRA LOW POWER CONSUMPTION
-It measures the visible light with MIC via power barely consuming the smartphone battery.
-No separate battery needed.