Waterproof 555nm 20mW Yellow-Green Laser Pointer with Battery

This yellow-green laser pointer has a sturdy housing, waterproof design, and internal protection. The 555 nm laser's maximum power is about 20mW. One 18650 battery can drive it, and the operation is simple. Many excellent features are available: high-efficiency circuit, PCB protection, temperature control, silicone switch, etc.

Specifications
• Wavelength: 555 nm (yellow-green)
• Laser output power: 20mW
• Laser class: class 3B
• Laser divergence: < 1.50mRad
• Laser beam diameter: 1.50mm @ aperture
• Laser spot size: about 5M < φ8-12mm
• Housing material: 6061 aviation aluminum
• Focus mode: fixed focus
• Waterproof level: IPX6
• Useful life: 5000 - 8000 hours
• Switch: on/off switch at the bottom
• Circuit control: 4.2V step-down constant current with reverse connection protection
• Circuit efficiency: conversion efficiency is more than 93%
• Power supply: 1 x 18350 battery
• Battery type: rechargeable lithium battery
• Working voltage: DC=3.7V
• Starting voltage: DC=2.5V
• Warm-up time: no preheating is required
• Working temperature: -10℃ ~ +55℃
• Storage temperature: -10℃ ~ +40℃
• Dimensions: 123 x 29.5 mm
• Packing method: kraft paper box
• Net weight: 102 g
• Gross weight: 212 g

Packing List
• 1 x 555 nm Laser Pointer
• 1 x 18350 Lithium Battery
• 1 x Battery Charger
• 1 x Warranty Card
• 1 x Storage Box

Notes
Our lasers are made with top-quality materials. The diode and the internal structure are very important, so please carefully identify the authenticity before purchasing.