1. Loud sound, high sensitivity, long distance and strong function 2. The sound is shocking, the operation is simple, and the plug-in is ready to use 3. Number of game subs: 998 4. Use occasions: restaurants, hotels, Internet cafes, hospitals, milk tea shops, churches, etc. 5. Long-distance coverage, up to 1000 meters 6. Battery capacity: 1000mah 7. Power supply mode: USB charging / built-in lithium battery 8. Prompt mode: vibration, buzzer, prompt light 9. Reminder duration: 30 seconds 10. Input voltage: 5V / 12V 11. Input current: 2A 12. Working voltage: 3.7V 300MAH 13. Receive/transmit frequency: 433.92MHz 14. Standby current: less than 12mA 15. Standby time: 10 hours 16. Receive sensitivity: -115DB 17. Product list: host, power cord, adapter, pager, charging base 18. Size: 11x16.5x5cm
1. 声音大，灵敏度高，距离远，功能强 2. 声音震撼，操作简单，插电即用 3. 可配子机数：998个 4. 使用场合：餐厅、酒店、网吧、医院、奶茶店、教堂等 5. 远距离覆盖，可达1000米 6. 电池容量：1000mah 7. 供电方式：USB充电 / 内置锂电池 8. 提示方式：震动，蜂鸣，提示灯 9. 提醒时长：30秒 10. 输入电压：5V / 12V 11. 输入电流：2A 12. 工作电压：3.7V 300MAH 13. 接收 / 发射频率：433.92MHz 14. 待机电流：小于12mA 15. 待机时长：10小时 16. 接收灵敏度：-115DB 17. 产品清单：主机，电源线，转换接头，呼叫器，充电底座 18. 尺寸：11x16.5x5cm
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