ST-900 100% waterproof call button. (IP67 certified) Perfect choice for outdoor installation. Whenever customers need assistance, they can press the call button for the service. We are online Now! How can we assist you? WhatsApp Call Now Home » Products » Transmitter » 1 button bell » ST-900Related ProductDisplay MonitorSR-A SeriesPagerSB-700PagerS-WATCHAccessaryAcrylic stand - square type Product Detail View PRODUCT SPECIFICATIONDescription 100% waterproof call button. (IP67 certified) Perfect choice for outdoor installation. Whenever customers need assistance, they can press the call button for the service.SpecificationNumber of buttons1DimensionW58 x L67 x H14mmWeight25gColorBlackFrequencyFSK/433.42MHzBatteryDC 3V coin battery (CR2032)Battery LifeApprox. calling 40,000 timesAntenna TypePCB pattern antennaCompatibilityAll Syscall receiver and the repeaterFeatures Waterproof call button (IP67) GOOD DESIGN award product Pebble shaped with suede textureBenefits Improve service quality Improve business efficiency Increase customer satisfaction Increase business profit 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.