Fire Extinguisher Ball is the most advanced product Is a fire-proof Industry to reduce the disaster and any irreparable loss caused by fire. Fire Extinguisher Ball is light and portable, which could extinguish the initial fire. It is made of the water-proof plastic shell and filled up with Harmless environmental powder, All of them are conform with international environmental protection standard. AFO Auto Fire Extinguishing Ball is a ball-shaped fire extinguisher. Simply thrown into a fire, it will activate within 5 seconds and effectively disperse extinguishing chemicals. When a fire occurs and no one is present, Fire Extinguishing Ball will self-activate when it comes into contact with fire and give a loud noise as a fire alarm. Because of this feature, it can be placed in may fire-prone areas such as above electrical circuit breakers or in a kitchen. There is no special training or skill required to operate the ball and no need to face the dangers of the fire. No inspection and maintenance is required for the product life span of 5 years.