TSR1-B (BLE 5.0 Relay) It’s designed to change the open/closed status of circuits, commonly used for cutting off fuel pump, starter of engine and air conditioning. It can be triggered remotely by sending commands to tracker then to the relay via BLE, or directly from phone to relay. . Technical Specifications Dimensions：21mm*51mm*10mm (0.69” *0.17”...

Wireless 2-in-1 button that works with all TOPFLYtech trackers with BLE

TSTH1-B It collects the temperature and humidity of the environment and transmits the data via BLE to trackers or BLE hub, then transmitted to server finally. It is designed for the demands of the environmental monitoring industry to resolve losses caused by unexpected and unfriendly temperature and humidity changes. . General Specifications Battery: replaceable...

TSDT1-B It monitors the door status and temperature of the environment. It broadcasts the data via BLE to be picked up by trackers or BLE hub and transmitted to server eventually. It is designed in response to industry demands for environment monitoring to resolve losses caused by unexpected changes of temperature and truck door status . General...