Upgraded SOFIRN SD01 3* SST40 6000LM Strong LED Fill Light Professional Powerful Diving Flashlight Underwater LED Dive L

Specifications BrandSOFIRNModelSD01Emitter3 x Luminus SST 40 SD01 with a lifespan of 50 000 hoursOperating voltage2 8V 4 2VBattery options4x 18650 lithium ion battery with button top Not included battery Dimension147mm length 76 5mm head diameter Weight558 grams without batteries Features SD01 is powerful waterproof flashlights for scuba diving and other outdoor activities like camping hiking fishing Simple one hand operation via a magnetic control switch and an extra handle guarantee super easy handling both above and below the waterline Simplified user interface with four brightness modes enable quick and carefree interaction even under distress Premium type III aluminum alloy hard anodized with anti abrasive finish Magnetic rotating ring and handle for convenient one hand operation Reverse polarity protection from improper battery installationOperation Instructions SD01 uses a magnetic control switch Rotate the ring to turn the light on off and to change modes from left to right between Low Medium High and Turbo Safe Diving Illumination DesignIf the detected battery voltage is too low for the High Mode the output will automatically step down to prolong the flashlight s runtime Low voltage warning When the battery voltage is lower than 3 0 Volt theLEDs will start to flash rapidly once every minute as a reminder to replace the batteries Please insert recharged batteries in time to avoid any danger while diving Low voltage protection Th