... With CE Certification 2 years warranty Robot mower technical information:robot lawn mower,robomow,lawn mower ModelFG158Coverage (for one time charge)600m2±20 ... /18.5KG with lead-acid batteries18KG/15.5KG with lithium batteriesCut height3cm / 4cmMower size56*51*25cm (L W ... 5*44.5*16cm (L W H)Batterylead-acid / lithium battery24V, 7.2AHSecurityLift sensor, buzzerWaterproofYesCharging time for battery3-4 ...