ST-700 Long-range Emergency bell : provides superior transmission distance. Equipped with a built-in siren and LED flashing light for emergency alerts. Available in 2 colors. We are online Now! How can we assist you? WhatsApp Call Now Home » Products » Transmitter » 1 button bell » st-700n Related Product Display MonitorSR-A Series PagerS-WATCH Corridor LightSRL-300 Light IndicatorSLL-400 Product Detail View PRODUCT SPECIFICATION Description Long-range Emergency bell : provides superior transmission distance. Equipped with a built-in siren and LED flashing light for emergency alerts. Available in 2 colors. Specification Number of buttons1DimensionW70 x L120 x H28mmWeight150gColorWhite, BlackFrequencyFSK/433.42MHzBatteryLR61/9V Alkaline batteryBattery LifeApprox. 18 monthsAntenna TypeHelical Antenna Exclusively for ST-700CompatibilityAll Syscall receiver and the repeater Features Loud Siren and flashing light in one unit Dedicated emergency bell model Able to fixed on the wall with the bracket Benefits Notify emergency situation promptly Improve communication and quicker responses Decrease response time System Map Press the call bell for emergency. The call bell number will be displayed on the receiver with a sound. The light indicator will be turned on to notify where needs help.