Description
Product parameter
Wavelength: 520nm
Power: 10mw
Size: 141mm*13mm
Mode: Single-point gypsophila two-in-one
Batteries: 2 AAA batteries with the positive electrode facing outwards
Switch: touch switch
Sale!
Supply 520nm10mw low-power pointing star pen teaching pointer pen
$29.00
Additional information
| Weight | 50 oz |
|---|
