Dear sir / madam

I'm glad to write to you and hope to establish business relations with you.

Our newly designed infrared digital night vision instrument has the following advantages:

--OLED single visual screen

--The battery is easy to replace, with extremely low power consumption, and can work continuously for a long time.

--It is especially suitable for all black, border patrol, jungle search and rescue and other fields.

If you need infrared digital night vision, please contact us.

Best regards

Mr.jiek

Kunming kelongda optical instrument co., LTD

QQ：105649791

Vx：rxm_105649791