Rechargeable, battery powered, cordless dehorner reliably prevents horn growth in an animal-friendly way. Single-handed operation heats up the moment it's pressed against horn bud and reaches operating temperature within 4 seconds. Takes less than 7 seconds per bud! For use on calves 8-14 days old. Requires 16 hours battery conditioning prior to first use and constant charging with 230V adapter charger (included). Also includes 12V cigarette lighter adapter. Full charge allows dehorning of up to 15 calves.