Why do we need: Minimize the number of people waiting in line as much as possible Avoiding restaurant chaos and improving atmosphere Notify customers more conveniently. Reduce the number of employees and lower operating costs. improve work efficiency   Features: 1. White design, simple and elegant. 2. Touch sensitive keyboard, comfortable to use, with better waterproof performance. 3. Easy to operate, convenient and practical. 8. The pager has its own side keys, which enable one click shutdown reminder and reset function. 9. The pager is equipped with a rechargeable lithium battery that is durable and practical. Specifications: pager Size 105 * 51 * 11mm Shell material Receiving sensitivity -103dB Standby time is about 18 hours Built in 3.7V 300mAh rechargeable lithium battery Receiving frequency 433.92MHz Reminder method: beep/vibration/flash Protection level IP32 Keyboard transmitter Size 275 * 150 * 35mm Shell material Transmission power 360mW Transmission frequency 433.92MHz Power adapter input: AC 100-240V, 50/60Hz Output: DC 12V, 2A Modulation AM