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100mW 532nm Half Steel Mid-open Green Laser Pointer
Features
# Compact design and lightweight
# High visibility and good penetrability
# Made with high quality and durable material
# Power supply: 2 x 1.5V AAA battery
# Working voltage: DC 3V
# Wave length: 532nm
# Output power: 100mW
# Working temperature: 20℃ ~ 30℃
# Lifetime: 8000 - 10000 hours
# Size: 0.53" x 6.57" (Dia. x L)
# price:$30.99