... AAA batteries (batteries not included), or DC 6V power supply Size: M,L,XL,XXLNet weight: 254gPackage ... . Remove EL panel,battery pack and the whole power cord carefully before washing3. Do Not submerge any part ... battery only, don't use mixture batteries2. Slide switch to Operate Power3. Don't bend or apply ... batteries into the inverter.2.Turn on the switch on the side of inverter.(If no lighting ...