ST-800-3B Three call functions (CALL, BILL, CLEAR) Mat finishing surface which makes the call button look more premium. We are online Now! How can we assist you? WhatsApp Call Now Home » Products » Transmitter » 2/3/8 button bell » ST-800-3BRelated ProductDisplay MonitorSR-A SeriesPagerSB-700PagerS-WatchAccessoryAcrylic stand – square type Product Detail View PRODUCT SPECIFICATIONDescription Three call functions (CALL, BILL, CLEAR) Mat finishing surface which makes the call button look more premium. Whenever customers need assistance, they can press the call button for the service.SpecificationNumber of buttons3DimensionW54 x L54 x H11mmWeight22gColorBlackFrequencyFSK/433.42MHzBatteryDC 3V coin battery (CR2025)Battery LifeApprox. calling 40,000 timesAntenna TypePCB pattern antennaCompatibilityAll Syscall receivers and the repeaterFeatures 3 functions in 1 call button Choose from USD or Euro version Need only 1 coin battery (CR2025)Benefits Provide high quality service Increase customer satisfaction Reduce staff cost Improve work efficiency System Map Press the call bell when service is needed. The call bell number will be displayed on the receiver with a sound. The direct pager can receive call directly from the transmitters.