it will reflect the laser light and appear as a bright spot

Voltage: 1

Insole material: textile

fall asleep time

powered by 4 x AAA battery ( Not included )

Portable HD Handheld Scanner – Wireless Document & Image Scanner Pen with LCD Display Color:Scanner and Memory Card it will reflect the laserFeatures: White Balance: AutoImage Sensor: A4Scanning Speed: 900 DPI Color Scan 10 Seconds Page 600 DPI Color Scan 8 Seconds Page 300 DPI Color Scan 3 Seconds Page Storage Capacity (Based on 2GB TF Card): 900 DPI Up to 300 Pages 600 DPI Up to 400 Pages 300 DPI Up to 1500 Pages Storage Method: Micro SD TF Card (Not Included), No Internal MemoryExtended Memory Support: Micro SD TF Card (1GB32GB)Transfer Method: USB 2. 0Power Supply: 2 AA Batteries (Not