Dr Trust Blood Pressure smart heart series dual talking blood pressure monitor Bp machine and Dr Trust Thermometer free. Product of USA. Designed and engineered by Nureca Inc USA. US FDA and CE approved. Product has dual talking guidance Hindi and English or mute mode and Arrhythmia detection feature. Patented beautiful Zebra lights. 5 year extended warranty in India. The product includes power adapter to run bp monitor with electric power. BP monitor also includes 4 AA batteries to run the product. Please not batteries are not rechargeable. Activate warranty on manufacturer website within 15 days of purchase. Breakage of bp monitor, water damage, general wear and tear, Cuff, adapter and batteries excluded from warranty. Warranty covers manufacturing defect in bp monitor. Customer to send bp monitor to Dr Trust service centre for repair. Please do not attempt to repair bp monitor yourself /unauthorized repair as this may cause electric shock and will also void warranty.