The Sportline S7 ECG Heart Rate Monitor Watch is a new old stock item that comes with a set up guide. It is designed for indoor and outdoor use and is powered by batteries with a battery life of more than 7 days. The watch features ECG heart rate measurement and calorie monitoring, making it ideal for gym and training activities. It is made of plastic and metal and is sized S7 for men's wrists. The product comes with a 1-year manufacturer warranty and is a great addition to fitness technology.