Product Description Thank you for seeing our product in many exhibitions.. Product Description ★ State: New unused product Description A system that calls customers used in cafes, fast food, food court, etc.. It can be useful for reducing labor costs and improving services. The delivery distance is 1000m compared to the conventional product, which is significantly increased! ! Safe even in a large store! It does not cause discomfort to the customer because it is equipped with a buzzer stop button. The battery duration is about 30-50h without complaints! ! In the conventional product, the number of expansions was limited because one button was allocated to one slave unit, but the latest models can be easily added up to 999 units, so the number will be later. If you need it, you can respond without paying a high price just by purchasing an additional child unit.. Product size: 235*158*36mm Power Source: AC110-220V Product Weight: 1.5kg Sustainable Use time: 20-30H Sending distance: 500m Payment details Easy payment ★ 4-7 business days after payment is confirmed.. ★ The tracking number will be sent along with the shipping contact. □ Precautions ★ There are some differences in color tones depending on the lighting and monitor. In addition, there is a slight difference in the color of the product depending on the screen of your personal computer and mobile phone. Thank you for your bidding. ★ I'm sorry, but if you have any questions about the product or transaction, I would like to submit it before bidding. If you have any questions, please feel free to ask questions. ★ The size of the product may cause some error depending on the measurement method. Please note. ★ If you have an extreme commitment to the quality, please refrain from tender if you are extremely nervous. ★ We can not accept returned goods such as customer image differences. In the case of initial failure, it can be returned. As mentioned above, please give me a tender after understanding. We have sent many others. take a look.

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