Buried evacuation lights

 1, input voltage: 24V safe voltage or low-voltage mains 2, rated power: <2W 3, Rated frequency: 50Hz 4, conversion time: <5 seconds 5, recharge time: <24 hours 6, emergency response time:> 90 minutes 7, the use of the environment: humidity <90%, temperature -10 ℃ -50 ℃ 8, the use of light: 3.2V ultra-high brightness light-emitting diode 9, use battery: AA1.2V850mAh alkaline Ni-Cd batteries 11, battery life:> 500 times / charge and discharge 12, switching voltage: AC132V-187V automatically converted 13 Installation: Buried installation. 14, Size: conventional circular surface diameter 150,160,245. Rectangular 300 * 180.15, sealing waterproofing process, cast aluminum back box enclosure, stainless steel rings and high-strength tempered glass.