High Speed Dental Handpiece. Lower Speed Dental Handpiece. Dental Tools & Supplies. Breast Forms & Enhancers. Tattoos & Body Art. Parts & Accessories>Car & Truc. Input current: 110ma – 300ma. Operating temperature: -4? (-20?)-140? (60?). Air supply flow: first gear: 62 L/min; second gear: 74 L/min. Charging time: 3 hours. Continuous working time: approx 7 hours. This is primarily intended for use with organic gases and dusts, this is an assistive breathing device; it is not intended for medical use, nor is it an antibacterial filter. The filter can be used for benzene, chlorine, acetone, alcohol, aniline, disulfide, carbon tetrachloride, chloroform, methyl bromide, methyl chloride, chloride, sodium chloride, paint and its derivatives. The supplied air fresh air respirator system is equipped with a portable power supply, which mainly overcomes the problems of large air intake resistance and difficulty in breathing. The system uses an air pump to deliver air to the mask, which can be attached to the waist, closer to the air source. The canister that comes with the device can filter a variety of harmful gases. The electric air supply is not stuffy, the breathing is smooth, and the work is easier. The fan has two gears, and it can work continuously for more than 7 hours once charged. It is portable and works more freely. The external control parts of the fan are equipped with dust-proof devices, which have long service life and safer use. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. The Fingertip Pulse Oximeter is certified with the US FDA 510K No. K070371, the CE & TUV of Eureope and it is on the Australian Register of Therapeutic Goods (ARTG) with the code 136606. The Powered Surgical Instrument / Speed 808 System is certified with the US FDA 510(k) Number:K132989. The Powered Surgical Instrument / Hair Remove Device is certified with the US FDA 510(k) Number:K180353. The Powered Surgical Instrument / Hair Remove System is certified with the US FDA 510(k) Number:K141973. Massager, vacuum, light induced heating / Slimming Treatment Device is certified with the US FDA 510(k) Number:K161892. You pay us what you see on the invoice, i. Please make sure it is correct.