CAUTION: Hot gas, sparks or ash may be emitted from BOTH ENDS of device on ignition or during effect. Keep hands and fingers away from top and bottom smoke vents. If you plan to hold the device during its operation, only do so with Gloves and Eye protection. Otherwise, pull the wire to ignite and then immediately place or drop device on a non-flammable surface, maintaining a 2-meter safety distance. Follow all directions and warnings on product label. For outdoor use only.