?Adopt fire retardant and flame retardant materials, the appearance of high temperature resistant and flame retardant materials, ultrasonic welding, safe and reliable. ? Scope of application: Monitor/LED light/massage pillow/electric drill/electric fan etc. ?High efficiency, low power consumption, high stability, overpressure, over current, overload short circuit protection. ?Fast charging, safe and secure. With the switch(turn to the left end is off). ?Good anti-interference, the output disturbance is very small, the output voltage is stable, can prolong the service life of the external telephone.