1pc 135x33mm 405nm Blue Violet Light Laser Module 405T-800
(It needs 1pc ICR18650 rechargeable lithium battery, as shown in the picture, you need to prepare it by yourself, because the customs do not allow us to send the battery, thanks!)
Specifications:
Model: 405T-800
Dimensions: 135.3 x 33mm
Shell material: Aerospace aluminum
Surface treatment: Sand Matte Black
Output wavelength: 405nm
Circuit control: 5V boost with reverse protection
Circuit efficiency: Over 93% increase conversion efficiency
Spot shape: Oval to rectangular
Spot size: Approximately 5M at <15-18mm
Focus method: Focusable
Focusing method: rotate the front threaded front cover to achieve zoom
Dive level: 5 meters diving
Working current: 3.7V @ 4.9A
Battery: 1x ICR18650 battery required(not included)
Duty cycle: 15 seconds off, 15 seconds off
Battery direction: positive direction to light, negative direction to tail switch
Operating voltage: DC = 3.7V
Starting voltage: DC = 2.5V
Warm-up time: no
Working temperature: -10 ° C to + 60 ° C
Storage temperature: -10 ° C to + 40 ° C
Package:
1pc 135x33mm 405nm Blue Laser Module 405T-800(Battery not included).

