Features:1. Simply throw into the fire, fire place or installed in fire-prone position, in case of fire, fire extinguisher ball can be carried out automatic with fast response.2. When throw into or rolling to fire, it will explode and make huge noise to catch everyone's attention nearby.3. You don't need to be close to fire scenes to extinguish the fire any more, made of totally harmless material to the environment and safe for users.4. As long as been touched for 3-5 seconds by flame reaching 70 degree C, the ball will automatically extinguish the fire effectively and rapidly.5. Light weight only 0.5/1.3 kilograms, shape of a ball, even the old and children can use it easily.Specifications:Shape: Ball TypeDiameter: Approx. 0.5kg: 10.5cm / 4.13inch, 1.3kg: 15cm / 5.9inchInstruction: Fixed position by automatic fire sensor and / or throw in fire areaIgnition: Automatically explode within 3-5 seconds after touch of fireContent: Environmental harmless dry powderValidity: 5 YearsAutomatic reaction time: 3-5 SecondsEffective extinguish area: 0.5kg: 1cubic meter, 1.3KG: 3cubic meterPackage Included:1 x Fire Extinguisher Ball2 x Screw2 x Wall Plug1 x Wall Mounting Bracket.