Have emergency lowering device in case of a power outage.
设有停电情况下的应急下降装置。
The emergency device can be equipped at the request of users, when the emergency power supply breaks , the lamp will switch to the emergency illuminating state automatically.
可根据用户要求配置应急装置，当应急电源断开时，灯具自动切换至应急照明状态。
Emergency lowering device with power failure.
设有停电情况下的应急下降装置。
Emergency lowering device with power failure.
设有停电情况下的应急下降装置。
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