Features 1、The product adopts ABS engineering plastic. High quality, exquisite workmanship, durable and anti-fall, long service life to save the costs. 2、High-end professional processing chip: imported processing chipset, high-performance noise reduction coding and decoding circuit, fast heat dissipation and great stability. 3、Convenient for customers. After ordering, customers can take a rest at the table instead of waiting in line. 4、Fashionable and exquisite appearance. Let the guests not only in the dining but in the experience of high-tech dining enjoyment, the satisfaction of being respected. 5、Adopting high specification craft, perfect combination of economy and high quality. Specification Item Type: Pager Receiver Size: Approx. 10.5x5x1.1mm/0.4x0.2x0.04in Working Voltage: DC3.7V (rechargeable battery) Charging Voltage: DC5V 4A Working Frequency: 433.92MHZ Working Current: 75±10mA Standby Current: <12mA±3mA Decoding Method: Learning code Battery Capacity: 200mAh Function: Smart charging, low battery prompt, online search, vibration, sound, light rotation, free to switch prompts Matching method between the receiver and keyboard transmitter: 1. Power/reset: long press 3 seconds to turn on/off; Short press reset to standby. 2. Code recording SET: press to enter the code recording state; Long press 5 seconds to clear the code. 3. MODE: switch prompt, three modes of vibration/bee cue/vibration+bee cue. Package List 10 x Receivers