ST-E1 It is the smart call bell that has Call & Clear 2 functions in 1 button. Bigger size and bright colors (Orange, Red) make it to catch people’s attention and easy to press. Water-resistant call button that is applicable to diverse environments. We are online Now! How can we assist you? WhatsApp Call Now Home » Products » Transmitter » 1 button bell » ST-E1 Related Product Display MonitorSR-A Series Light IndicatorSLL-400 PagerSB-700 PagerS-WATCH Product Detail View PRODUCT SPECIFICATION Description It is the smart call bell that has Call & Clear 2 functions in 1 button. Bigger size and bright colors (Orange, Red) make it to catch people’s attention and easy to press. Water-resistant call button that is applicable to diverse environments. The battery life is more than 3 years with the high capacity CR2450 battery. Specification Number of buttons1DimensionW70 x L70 x H13mmWeight40gColorOrange, RedFrequencyFSK/433.42MHzBatteryDC 3V coin battery (CR2450)Battery LifeApprox. 3 yearsAntenna TypePCB pattern antennaCompatibilityAll Syscall receiver and the repeater Features 2 functions (Call/Clear) in 1 button Water-resistant call button Low battery notification Easy to fix and move from anywhere with the bracket Benefits Suitable solution for urgent situation Decrease response time Cost-effective wireless solution Improve work efficiency System Map Press the call bell for assistance. 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.