50mw 532nm green laser pointer pen with a 7th battery

LM-203 green laser pointer pen with a 7th battery Specification Item NO. LM-203 Material: copper on-off mode Touch Switch Battery: AAA*1 Range of distance(m): 500m-2000m Wavelength(nm): 532nm Voltage(V): DC1.5V Spot diameter(mm): 6M≤Φ1.0mm Dimension(mm): 94mm×Φ12mm operation Temperature(Celsius): 0Celsius~+35Celsius Output power (mW): 5-50mW Expected lifetime(hours): >5000 Warranty Time: 6 months Note: This style has two kinds of purposes: single light and the stars