GVS KNX Smart Touch S7 wih secure (KNX+Intercom+App Server)
"Bus voltage: 21-30V DC，via the KNX bus
Bus current: <3.8mA/24V, <3.4mA/30V
Bus consumption: <0.1W
Proximity sensor:Normal:30cm Enhanced:60cm
Temperature sensor:-40-80℃
Humidity sensor:0-100%
Operation: -5 °C ... +45 °C
Storage: -25 °C ... +55 °C
Transport: – 25 °C ... +70 °C
Humidity: <93%, except dewing"