◆ Multiole function,simple to oper - one person operation and only one key needed to start or stop. ◆ Real-time monitor and digital display of engine speed and temperature,etc. ◆ No need to stop engine to switeh working statue. ◆ Practically designed 180° pivoting high pressure hose reel,easy to rewind the hose. ◆ Tank with low level self-protection mode;high pressure pump water intrusion protection. ◆ Emergency switch to stop immediay.