Color: As the picture shows. Charging time: 3 hours. Working time: 5-7 hours. Air supply flow rate: First gear 62 L/min, Second gear 74 L/min. Notice: Not included filter box. Supplied fresh air respirator system is equipped with portable power source mainly overcome the problems of big air intaking resistance, difficulties in breathing and so on. This system use the air pump to transport the air to the mask. You could fix the air pump on your waist, so you are more close to the air source. The canister comes with the unit can filters a variety of harmful gas. The color might be a little different from the actual product due to color display of different monitors. Please allow 1-3 cm error. 1 set of Full Face Gas Mask – Not included filter box. For faraway region or countries (Brazil, Mexico, Peru, etc), the transit time may be longer than Overall Transit Time Frame. Please indicate your personal requirement such as colors, packages, value of declaration etc. At message when you pay to us. Cancellation request should be submitted during this period, Or unpaid dispute will be open automatically. We would try our best to solve your problem. Please note that the return address must be provided by us. We will reject all return of the package without agreement, regardless of whether a return request is filed. All questions will be replied within 24 working hours.