24Warranty ABUS products are designed and manufactured with thegreatest care and tested according to the applicableregulations. The warranty only covers defects caused by material ormanufacturing errors at the time of sale. If there aredemonstrable material or manufacturing errors, the smokealarm device will be repaired or replaced at the warrantor'sdiscretion. In such cases, the warranty ends when the original warrantyperiod of 2 years expires. All further claims are expresslyrejected. The warranty does not cover the batteries supplied. ABUS will not be held liable for defects and damage causedby external influences (e.g. transport, use of force, operatingerrors), inappropriate use, normal wear and tear or failure toobserve the instructions in this manual.