[100% Guarantee] BERLS Gives you 24 months warranty, if there is any problem with the product received, we will give you 30 days unconditional refund, you can contact us through anytime, We will solve any problem for you within 24 hours. [Quality Assurance] All of our adapters have passed UKCA safety certification, and all products have passed a 4-hour aging test before leaving the factory (simulating the charging process). These cables are tested to withstand over 20,000 95° bend cycles and are designed with durable flame retardant materials. [Smart LED Light] Smart LED light reminder, charging will show a green light. [Universal Compatibility] Braun Trimmer Series 9, 7, 5, 3, 1 and silk epil 9, 7, 5 Please check if your shaver voltage is 12V before buying. Kind tips: ?Not suitable for 5517, 5514, 560, BT5070, BT3040. [Product Specifications] Input: 100V - 240V, Output: 12V 0.4A, Cable Length: 1.5m.