... . Peculiarity of surfactants screen - is his vandal-proof. All sizes7"8.4"9.4"10.4"12.1"15"17"18.5 ... °C to +60°CStorage temperature -40°C to +70°CHumidity 10%-90% 40°COperating altitude 3800mAnti-chemical properties The active area ... -based glass cleaners, Gasoline, Kerosene, Vinegar. Accessory double glue tape, dust-proof tapeAgency Approval UL, CE, FCC, RoHS, CB