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1. Rotate counterclockwise for 100 hours, close the cover, and replace the battery.
2. Rotate the switch, tighten the lamp body clockwise, turn on the bulb, and then turn it counterclockwise.
3. Small size.
Material: Lamp body PC
Color: red, blue, green
Product size: 44 X24 X15mm / 1.7 X 0.9 X0.6in
Power supply: 927 button battery
Waterproof rating: IP45