Ninyoon 2K USB Digital Microscope for Android PC, 40 1000X Microscope Super HD Endoscope Magnifier Camera Compatible with Android Cellphone and Tablet Windows Mac Chrome Linux Not for iPhone iPad sold2025 4GHZ RF technology Remote Control Color:Black & Yellow 2 pack 4GHZ RF technology Remote Control Range: Up to 328 ft(in an Open Environment up to 100 Meters) Laser Distance: Up to 600 ft Laser Category: Class 3R Output power: < 5 MW Laser Wave Length: 650nm (red light) Sleep current<20uA Power Supply Mode: 2AAA Battery (Not included) USB Receiver Parameters: Operating System: Windows Mac Android Power Supply Mode: USB Power Supply Compatible Interface: USB 1 24V Relay Module: Working Voltage: DC24V Wide Angle + Long Focal LengthWe have added several practical features like wide angle and long focal length to suit the needs of different usage demands as well as worker to weld circuit boards and plant jobs