Economy Laser Pointer Review
This handy laser has good optics, a nice range, and a great price! Its 3mW diode and frequency of 670nM make it a fine addition to a class on a strict budget. 2 AAA batteries are included to provide two hours of continual use. It is covered by a 60-day warranty
0 ความคิดเห็น:
แสดงความคิดเห็น