Copper material
Instructions not less than 1000 meters green
Features: built-in memory, writing features built-in lithium battery
Wavelength: 532nm
Power: 5mW, 10mW, 20mW, 30mW
Battery: USB Rechargeable Design
Operating voltage: 3V
Packaging: EVA + black box (optional gray velvet box, black tin)
Specifications: Fixed focus, green dot spot, continuous output, service life of more than 5000 hours / spot diameter: the smallest spot diameter
1.wireless
2. geeen laser
3.USB rechargeable design