445‑450nm <2000mW Focusable Waterproof Blue Laser Light Source Handheld Laser Torch

⚠️ DANGER: CLASS IV HIGH‑POWER LASER WARNING 
Laser radiation. Direct exposure to eyes or skin may cause permanent injury. NOT A TOY. For adult industrial and laboratory‑research use only. Keep out of reach of children. Never aim at people, animals, vehicles or aircraft. Laser protective goggles are strongly recommended during operation.

Product Overview

This 445‑450nm handheld blue laser light source features adjustable focus and waterproof housing. Built‑in 5V step‑up circuit with reverse‑polarity protection, high power‑conversion efficiency up to 95%. Ideal for industrial testing, lab research and outdoor professional applications.

Note: Batteries are NOT included, for smoother international customs clearance. Please prepare 2 x 16340 lithium batteries locally.

Key Specifications

• Wavelength: 445‑450nm

• Output power: ＜2000mW

• Safety level: Class IV

• Circuit control: 5V step‑up with reverse polarity protection

• Power Conversion Efficiency: 95%

• Laser Shape: Dot

• Beam pattern: Continuous line Shape

• Spot size: ＜18mm at 10M

• Focusable: Yes

• Waterproof: Yes

• Current: 1.6A at 3.7V

• Operating voltage: DC 3.7V

• Start voltage: DC 2.5V

• Warm‑up time: None

• Operating temperature: -10℃ ~ +30℃

• Storage temperature: -10℃ ~ +40℃

• Power supply: 2 x 16340 Lithium Battery (Batteries Not Included)

• Dimensions: 148 x 25mm

Package Includes

1 × 445nm 450nm Focusable Waterproof Blue Laser Source

Safety Instructions

‑ Do not look directly into laser beam or reflected beam. ‑ Verify correct battery polarity before power‑on, reverse connection may damage the unit. ‑ Only for professional adult use. Keep away from minors.

Shipping Note

This shipment contains no lithium‑ion batteries, reducing customs detention risk for international orders.