Feature:1. VERSATILE USAGE: Our number caller is suitable Compatible with a range of settings, including restaurants, milk tea shops, hospitals, banks, and more. Expand your business possibilities.2. CONVENIENT VOICE SPEAKER: Enjoy the ease and accuracy of our full voice prompt system, ensuring seamless and accurate number calling Compatible with improved customer service.3. CLEAR DISPLAY: The large screen provides clear and legible numbers, preventing any missed or incorrect calls, ensuring a fine queue management system.4. SIMPLE OPERATION: With a straightCompatible withward keypad, our number caller allows Compatible with easy self collection of orders or navigation to specific areas, enhancing customer experience.5. CUSTOMIZABLE NUMBER SEQUENCE: Tailor the calling sequence according to your business needs, providing flexibility and adaptability to meet various work requirements.Specification:Item Type: Queue calling systemMaterial: Aluminium alloy, ABSWeight: Approx. 1330g / 46.9ozHost Size: 428x110x30mm / 16.9x4.3x1.2inScreen Display: 3inch LED digital tubeSpeaker: Two 3 inches 3Ω 5WReceiving Sensitivity: -114dBInstallation: Wall mounted, hanging, flatModulation Mode: Amplitude modulation(433MHz)Keyboard Size: 131x87x23mm / 5.2x3.4x0.9inKeyboard Standby Power: 450mWFrequency: 433MHz.Package List:1 x Host1 x Keyboard2 x Sticker2 x Power Plug1 x Manual