12V Green Diode Lasers 532nm Laser Module Dot with TTL 0-30KHZ & Fan Cooling - Long Time Working auspowers_batchone Good Workmanship: These angle diamond

Good Workmanship: These angle diamond sharpening stones are designed with a simple and generous shape

Used for semi- finish machining and finish machining of holes

and science experiment

High quality Zinc Plated Steel

lime mortar(0%-9

12V Green Diode Lasers 532nm Laser Module Dot with TTL 0-30KHZ & Fan Cooling - Long Time Working auspowers_batchone Good Workmanship: These angle diamond12V Green Diode Lasers 532nm Laser Module Dot with TTL 0 30KHZ & Fan Cooling Long Time Working Features: . Wavelength: 532nm Output power: 95 120 Laser Shape: Dot Cooling methods: Fan cooling Modulation frequency: TTL 0 30K HZ Working Method: continuous work Color: Black Material: Aluminum Circuit control: constant control Reverse polarity protection: Yes, with automatic identification of positive and negative Operating voltage: DC = 12V Operating