... . Max temperature of working condition, 80 degreesThis items can use in many places,such as: laptop, camcorder, the Internet, GPS, camera, PDA ... Carton Carton Carton Carton Carton Usage 1.Keep the converter in ventilation and dry environment. 2.Connect 24V input side to ... appliance strictly during operation. 4.Don't use this product in high-temperature, moist and dusty environment. 5.Don't disassemble ...