Laser Module 650nm Red Laser"Dot" Diode (Adjust Focus 5mw 10 mw DC3V-5V) industrial There is a small hole

There is a small hole at the end which can be hung up to save space

or any dark corner in your house

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Laser Module 650nm Red Laser"Dot" Diode (Adjust Focus 5mw 10 mw DC3V-5V) industrial There is a small holeLaser Module 650nm Red Laser"Dot" Diode (Adjust Focus 5mw 10 mw DC3V 5V) Wavelength : 650nm Power: 5 10mw Laser Shape: Dot Operating Voltage: DC3V 5V Operating Current: <50mA Operating temperature: 0 30 C Beam Effect: 120 dergee Line Effect. Duty Circle: 10 minutes on and 1 seconds off. Size: 14. 5mm(D)45(L) mm Packing: 1PCS Product Features 650nm 5mw Red Dot Lazer Diode 10mw Lazer Module Brass Cap and Black Copper Tube Adjustable Foucs Dot based on