DSU distress signal unit

s life by sendingwarning messages to team members and the backfield command center when the wearer is staying stillor trapped. This device can emit a clear and unique alarm sound, and transmit the signal, satellitepositioning, ambient temperature, altitude, movement status (fall alarm status), battery power and otherdata of each online person on the scene to Jiangsu Fire Brigade Big Data Platform in real time through4G-LTE, provide command personnel with important data in a timely manner and provide a reliable basisfor issuing orders.The superior alarm system owns the alarm sounds up to 103dB in 3-meter-longdistance. The azimuth light uses 4 high-brightness LEDs. The battery adopts polymer lithium battery,which is more economical, environmentally friendly and durable. This product is suitable for publicsecurity firefighters, underground coal mine operators and ambulance personnel. It is a personal safetyprotective equipment.