Sema Image


The world's FIRST rangefinder in a lens! LIIR ensures perfect alignment of the laser and infrared axes, offering superior precision and reliability in operation (Patent NO. 202023103202).


Featuring finger wheel focusing, the device enables the pinnacle of one-handed operation. It is highly user-friendly for both left and right-handed users.

Equipped with an eyepiece adjustment mechanism, making it comfortable and accessible for users who wear glasses.

Experience rapid power—reach 90% charge in just one hour. The dual power system combines a built-in battery with an external battery for non-stop operation.


Available in 19/38mm or 25/50mm configurations. Use the wide FOV for rapid detection and the narrow FOV for precise identification with sharp picture quality.







Specializing in the development, production, and distribution of advanced thermal imaging devices and components, with an emphasis on exceptional quality, accuracy, and a competitive cost-performance ratio.

