It may not be compatible with the previous version of the OS or the latest version. 【Please download the app to make sure the camera function is activated. ]
Features: Write the spot you want to memorize with a marker and read the app to create a memorization sheet
Set Contents: 1 marker for memorization, serial number (ink cartridge: SLR3-F sold separately)
Pen Body Size/Weight: Width 0.5 inches (12 mm) x Depth 0.6 inches (16 mm) x Length 5.6 inches (143 mm) / 0.4 oz (10 g)