Scuba Diving Flashlight, Sofirn SD05 3000 Lumen, Underwater Waterproof Light with Battery and USB Charger

Installation
※ Low battery warning: The flashlight is rapid flashing every minute to indicate low battery
if the voltage is lower than 3 volt, please insert new battery.
※ Automatic Stepdown: The flashlight will slowly steps down to lower mode
after 3 minutes of operation in the high mode to prevent overheating.
※ Low voltage protection: The flashlight turns off automatically if the voltage is lower than 2.6 volt.
Please recharge the battery.

Operation Instruction
Rotate the magnetic ring to turn on/off the light, to select the wanted output level.
From left to right: off, Low, Medium, High

Safe Diving Illumination Design
If the detected voltage is too low for the High Mode, the output will automatically step down to prolong the runtime.

Advanced Temperature Regulation (ATR) technology
The light will accumulate a lot of heat when used at High Mode for extended periods.
If the light reaches a temperature of 55℃(131 °F) or above, it will automatically step down by a few lumens until it won’t get hotter.
Meanwhile, after used at High Mode for 3 minutes, the light steps down slowly until Medium Mode is reached.

Caution
1. Do not mix used and new batteries.
2. Operating for a long time in “High Powered” mode will warm flashlight up. This is normal.
3. Do not stare directly into beam or point it directly into anyone's face.

Features & details

• Super Bright: High quality LED gives the maximum output brightness of 3000 lumens.
• Smart Design: Rotating the magnetic ring to turn on/off the light and to select the brightness from low, medium to high.
• Rechargeable and Durable: Powered by one battery. Aircraft-grade aluminum alloy case and hard-anodized finish make the flashlight rust- and corrosion-resistant.
• Waterproof Design: IPX8 waterproof level, up to underwater 100 meters, perfect for various outdoor activities like diving, hunting, trekking etc.
• WHAT YOU GET: 1x Diving flashlight, 1x battery, 1x charger, 1x Lanyard, 1x Manual. If you encounter any problem, please feel free to contact us.

Specifications:
Power Source: Battery Powered
Light source type: LED
Battery cell composition: Lithium Ion
Item weight: 120 Grams
Number of batteries: 1 Lithium Ion batteries required. (included)
Brand: Sofirn
High quality LED with a lifespan of 50,000 hours 
Working Voltage: 3V-4.5V 
Battery Options: One premium battery 
Dimension: 119mm (length)× 37.5mm (head diameter) 
Weight: 120 gram (without batteries) 
Premium type Ⅲ hard-anodized anti-abrasive finish 
Magnetic rotating ring for one-handed operation 
Reverse polarity protection from improper battery