Optical laser source

ST-815 (Brand- Senter, Country of origin China) Features:
Hand hole easy to operate
Two to four web length optional
Continuous light, modulated light output
Auto 10minutes shut off function
Support FC, SC, ST adapter
Big LCD, intuitive, easy to use,
LED backlight switch on/off
source close backlight in 8 seconds
Ni-MH rechargeable battery or 9V battery
Battery voltage display