LU2000 Family Essential Safe Reliable High Voltage Electric Rat Killer Rats Mice Rodent Electrical Trap Zapper Pest Control for Home Patio Lawn & Garden Power Source: 4pcs C Battery or 6V AC/DC power High voltage output: 6KV to 9KV Power on LED indication Low battery indication, kill up to 30pcs small rat after load new batteies.Easy to clean the cage Product includes US standard power adapter. Without Battery