3 Lines Laser Box, na Igwe Ọdụdọ

Igbe nke 9 * 4 * 15cm, nke nwere magent na azụ, ntụgharị 3 dị iche iche maka ahịrị 3 laser, semiconductor laser diode wavelength 530nm, eriri ahịrị obosara 0.1mm, ọkọnọ 2 pc AAA batrị, 3V250mA