Fanvil KT20 Wireless Button

Fanvil KT20 Wireless ButtonFanvil KT20 Wireless button is a rebound-type kinetic energy wireless button. They utilize patented micro-energy harvesting technology, requiring no battery, and are exceptionally compact in size. These wireless buttons can be paired with Fanvil Y501&Y501-Y series and X305 Big Button IP Phone for equipment control. Wireless Button is an advanced, wireless control and alert device designed for use in various environments, including smart homes, healthcare facilities, hotels, and commercial spaces. Its primary purpose is to enhance communication, streamline operations, and provide a reliable solution for emergency alerts or control tasks.  Model                                            KT20 Applicable Models                     Y501/Y501-YSeries、X305、i506W、i507W Product Dimensions                  74mm*74mm*42.8mm Material                                        ABS Numberofkeys                            1  Modulation Mode                       FSK Power Supply                              Self-powered  Radio Frequency                        433MHz  Operating Life                             ≥100,000Times Working Temperature               -20~ 55°C-20~ 55°C Operate Range                            Spaciousoutdoors:120-130m                                                        Spaciousindoors:12-25m