Welcome to our store! We present our RF wireless pager system for restaurants. This system uses radio frequency technology, ensuring stability and a long wireless reception range. The display receiver supports up to 400 pagers and can be used with one-button or four-button pagers. The button transmitter has selectable words for call buttons and supports single or list display modes. You can even name the call buttons starting with ABCDEF letters. With 30 levels of adjustable digital control volume, the system also displays time, year, month, and date. Its elegant appearance and portability make it easy to move around. This system is widely used in hotels, bars, restaurants, and more. Specifications: - Material: ABS - Display Receiver Parameters: - Working Frequency: 433.92MHz - Working Voltage: DC 5V - Working Current: <130mA - Standby Current: <550mA - Modulation Method: ASK - Receiving Sensitivity: Better than -105db - Decoding: Learn to code - Waterproof Rating: Ipx4 - Working Temperature: -20℃ to 60℃ - Button Transmitter Parameters: - Working Frequency: 433.92mhz - Battery: 2 x built-in Cr2016 button batteries (included) - Battery Capacity: 80mAh - Emission Current: 10mA±3mA - Standby Current: <1ua - Open Distance: >200 meters - Key Presses: 1 million times - Waterproof Rating: Ipx4 - Working Temperature: -20℃ to 55℃ - Four Keys: Call, Bill, Order, Cancel - Voltage: 110-240V Package Includes: - 1 x Display Receiver - 10 x Button Transmitter - 10 x Film - 1 x User Manual - 1 x Adapter 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.