1、STABLE PERFORMANCE: Equipped with a excellent performance noise reduction circuit, this wireless calling system offers fast heat dissipation and strong stability. 2、Long Distance: This buzzer pagers has a long range transmission distance, allowing customers to sit anywhere in the restaurant or even explore nearby while waiting for it to vibrate and indicate that their meal is available. 3、PREMIUM MATERIAL: Made of durable ABS engineering plastic material with exquisite workmanship, this pagers system stands up to heavy use and saves on restaurant costs. 4、MULTIPLE NOTIFICATION METHODS: Customers can be notified of their meal's readiness via vibration, beep sound or flashing lights, and the system has a communication range of 200 meters in open spaces. 5、CONVENIENT AND EFFICIENT: The 1 to 16 set specification allows customers to rest at an available seat after placing their order, reducing the need to wait in line at the counter. Item Type: Buzzer pager Material: ABS, acrylic Weight: Approx. 1408g / 49.67oz Color: Purple Base Size: 230x157x35mm / 9.1x6.2x1.4in Buzzer Size: 105x50x12mm / 4.1x2x0.5in Buzzer Battery: lithium battery 200mAh(included) Frequency: 315MHz Buzzer Power: DC 12V Buzzer Quantity: 16 Duration: About 15 hours Alarm Method: Vibration, beep, flash Application: Restaurant, bar, coffee house 1 x Pager Base 16 x Buzzer 1 x Manual 1 x Plug 16 x Cover 16 x Number Sticker