Specification Type SL 22 Brand SeafrogsModel SL 22Material PC110 Aluminum alloyWaterproof Depth 40M 130ftColor Temperature 7000 7500kBuilt in battery Rechargeable li ion battery 18650x4PCS not included USB charge voltage 5VLumen up to 6000LMIrradiation Angle 120°LED Life Span 50000 hoursLighting Modes Flash 6000LM Strong light 6000LM Low light 2600LM SOS 2600LM Red light 3 5W Blue light 3 5WWorking time Flash 5000 times Strong light 1 hours Low light 2 hours SOS 4 hours Red light 6 hours Blue light 8 hoursItem Size 144 7x61 3x103 9mmItem Weight 550g body Type SL 21 Brand SeafrogsModel SL 21Material PC110 Aluminum alloyWaterproof Depth 40M 130ftColor Temperature 7000 7500kBuilt in battery Rechargeable li ion battery 18650x3PCS not included USB charge voltage 5vLumen up to 3500LMIrradiation Angle 120°LED Life Span 50000 hoursLighting Modes Flash 3500LM Strong light 3500LM Low light 1500LM SOS 1500LM Red light 3 5W Blue light 3 5WWorking time Flash 5000 times Strong light 1 5 hours Low light 2 5 hours SOS 4 hours Red light 6 hours Blue light 8 hoursItem Size 124 4x56x86mmItem Weight 360g body Note Please read the manual carefully before using the camera case Before use put a tissue into the case for a 30 minute underwater testing to see if the case leaks Please do not cover the LED screen when using and put the flash into case after it is completely cooling There is 1 4 inch standard screw hole on the stand button for mount