Product details container outer layer of pent foam, About 11 mm thick shield by pvc film function flame activated features auto fire extinguisher ball self activating the fire safety extinguisher ball works automatically when in contact with fire. Install within 30 centimeters over any fire hazard. Alarm when the the built, In alarm, Orb explodes goes off releasing an approximately 138 decibel noise lightweight weighing at 1. 3kg, This product represents appropriate for children and, Anyone. Women elderly people Simple to operate no training required. Just throw the ball with one hand into the heat safe fire extinguisher ball is a type of shaped ball extinguisher. When simply thrown into thefire, It would activate within 3 seconds and effectively disperse extinguishing chemicals. When a fire occurs and no one fire extinguisher, Is present ball will self, Activate when itcomes in touch with fire and give loud noise to warn the people nearby. Due it is, To thisfeature capable of being placed in many fire prone areas, Such as electrical circuit breakers, Orkitchen, Cars, Hotels, Bla. .. None exist special train or skill required to operate the ball andno need to face any dangers. No inspection and maintenance are essential for the productlife span for 5 years.