Easy to use, no installation required. Place one at any hotel front desk, office, reception area, restaurant, warehouse or hospital. Loud and clear when you need to get the attention of staff, family or friends. From dinner time to emergencies, it"s the perfect tool for nursing homes or seniors in general. Hold a meeting or let everyone know you"re making an announcement, and even retail stores and banks can be notified when customers have issues. Also great for pet training Let your dog (or cat, rabbit, hamster) know when it"s feeding time, potty training time, or ring the bell when they do something you like or dislike. They know what you"re thinking every time the bell rings Perfect for any environment that requires a loud chime, even the busiest desk or front door center. Size: 80*150mm About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.