20 Minutes timer function
Press and hold for 2 seconds when the light is turned on, the lamp flashes twice to enter the timing mode, press and hold for two seconds again, the light flashes once-to exit the timing mode
After booting, you can press and hold for 2 seconds to enter and exit the timing mode at any brightness
Button dimming after timing does not affect the timing time
Reset and exit timing mode after power off .
The plug-in version is used to connect the 220V power cord and has no built-in battery.
The rechargeable version is a built-in lithium battery that can be recharged and used, and can be moved anywhere.