GD1212003
Photochromic Lens Tester
Model No.: LY-838-4

Features:
15 Len LED Purple Lights, the products are designed for photochromic lens test.
OPERATOIN INSTRUCTION
1、Put lens inside the machine after power on to make it work. Light on when lens inside; light off when lens outside. It will go off automatically after 240S.
2、Timing function: Screen will show 30s, 60s, 90s,120s,150s,180s, circularly for non-stop press after lens inside; Screen will show count down time until 0 then off finally if time chosen.
3、The machine will work with weaken brightness for long press on screen for 2s; pressing 2s again to recover in normal model.
4、LED light will go off automatically then closed finally after 2s if lens removing.

  Specifications: