ST-816 (Brand- Senter, Country of origin China)

Features:

Support CW and 2Hz modulation work mode

Solid: use special laser end design to avoid damage when dropping on the floor.
Long working hours: use effective laser drive  circuit to ensure 1mW/650nm locator can work more than 60 hours continuously.
Stable power output: use special laser driver  circuit, which can ensure stable power output in the low battery.
2.5mm  universal adapter: use 2.5mm  universal adapter, can match SC/LC adapters.