This red laser module has 5mW power and a standard 650nm wavelength. It can work continuously 24 hours a day, and you don't need to worry about overheating or overvoltage. This model has passed FDA & CE certifications, without customs issues. For the wholesale of more than 100 units, we can offer a 10-30% discount.

Specifications
• Laser type: dot/line/cross
• Output wavelength: 650nm±10nm
• Output power: 3-5mW
• Circuit control: ACC line
• Surface treatment: anodized black
• Housing material: aviation aluminium
• Reverse polarity protection: yes
• Working voltage: DC=3-5V
• Working current: I<40mA
• Warm-up time: none
• Working temperature: -10℃～+40℃
• Storage temperature: +10℃～+40℃
• Structure: laser part + lens + heat dissipation housing
• Dimensions: φ14.5*45mm
• Power cord length: 50cm
• Note: red is positive, black is negative