Features: High quality: Made of high-quality stainless steel and iron, rust resistant, beautiful, sturdy and durable. The base is thickened and not easy-to slide. Easy-to use: As long as you press the button at the top of the bells with your finger or hand-palm, it can make a crisps and pleasant sound when you need to pay attention. Clear sound: A louds and clear ringing tone ensures that you can attract the attention of anyone who can hear it. Even in noisy-restaurant or outdoor, you can still hear the sound. Multipurpose: The service desk clock can be used to serve customers, seek help from the elderly, sick, or bedridden, receive attention from teacher, gather children to play games, or keep your meetings on tracks and on-times. Its compact size makes it easy-to place wherever need-ed. Perfect for placing on a table, desktop, counter, or any place that requires a louds bells. Specifications: Material: Stainless Steel+iron Size: S-sizes/L-size S-Sizes: Approx. 8x5.5cm/3.15x2.16inch L-Size: Approx. 10x6.5cm/3.94x2.56inch Package Includes: 1x Reception Call Bells note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.