Power supply:2*CR2032 batteries(replaceable)
Battery last time:30-70hours
Switch: twist on/off
Take the insulating strip off the light
To activate these lights simply twist the plastic light case closed to form a seal and activate your light.Twist in the opposite direction to turn off.
Remark:Please note the +/-polarity when you replace the battery. The +polarity should on the down side.
This is not a toy! Please keep out of reach of children when use,in case they put the light into mouth.
IMAGE 12x LED Waterproof Submersible Tealights Flameless Tealight Battery-operated Sub Lights for Wedding Christmas Thanksgiving Party Events Home Decor Floral Warm White - B00G53OKNO