Hand-held Refractometer Alcohol Detector Alcohol Level Meter1. Built in ATC (automatic temperature compensation) from 10 to 30 degrees Celsius. 2. Soft rubber eyepiece for comfortable viewing 3. Equipped with scale measurement, can be directly read to ensure accurate test results 4. Rugged and durable, long service life, adjustable manual focus 5. Use only ambient light, which means no battery or power supply Simple and easy to use. 6. Place a few drops of liquid on the optical parts of the refractometer,

One Package Size 33cm * 20cm * 12cm / 12

Power: 24V 2

Output Power: 2 x 5W

clear mids

Light-emitting diode LED lamp beads

the lens off the axis lock no problem

3 adapter plug for easy connection

long range

* Blue Pig Socks

such as New MacBook Pro

94kgs / 24

it adopts advanced digital image processing technology and various VGA resolution outputs