Model: GT60

• Small and light, real easy to be carried and used.

• One 1.5 mignon alkaline Battery can be used for almost 60 hours and 10000 reading.

• High stability

• Long-term stable light source needs no replacing forever.

• Quartz crystal standard board, no excursion.

• Designed and manufactured according to international standards ISO2813,ASTMD523,DIN67530