Questions issues call us! 1-800-355-0157 please make sure you are using a quality set of batteries. Most issues are resolved by replacing batteries. When using a premium set of batteries, you can expect at least 6 months of battery life. Do not use low quality batteries. Low quality batteries will need Replacement within weeks, if not days. Your MiLocks product is covered under our triple warranty coverage. 25 search mechanical warranty, 1 year electrical warranty, an a limited lifetime warranty on the exterior finish.