Press the black button to turn on the white light. The modes cycle as follows:
High → Work Light → Off.
In any mode, press and hold the black button for 3–5 seconds to activate strobe mode.

• Press the red button to turn red light on/off.

• Press the yellow button to turn amber light on/off.

• Press the tail button to turn the warning light on/off.

During charging, the four indicator lights near the buttons will flash one by one. When fully charged, all four lights remain on.

Model:FS37-A/B

Power:3W

LED Bulb:OSRAM-P8 (White Light)

White Light Range:200M

Distance:1500M

Luminous:230LM

Input:5V/1A

Runtime:10-20H

Charging Time:About 8H

Battery:5000mAh/3.7V/21700

IP rating:IP65

Ambient Temperature:-25℃~+40℃

Size:Φ56x156mm

Material:Aluminum Alloy

Weight:290g

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