Cibo Waterproof Heart Rate Monitor Wireless Chest Strap + Sport Watch Amazon Estimated Delivery Date is not that exactly, Our product will arrive ahead of time.Usually need 1-2weeks Alarm sounded when heart rate exceeds upper limit(220) Shows heart rate on large and easy-to-read display User replaceable battery and water resistant (30m) Package Content:1 x Wireless Chest Strap, 1 x Sport Watch