... light emitting diode function 1.Product features: With a flashing and charging function can be used for ... the other end, one is the power switch, the button is the flash light and dimmer ... brightness for 100%,75%,50%,25%), another is a restore switch, charge two hours can run more than ... standard Tube material: aluminum shell + opal PC coverLED A number: highlight SMD chippower :4.2W±0.5Wservice life ...