All In One Emergency LED Tube (USA patented Item)

1. Built-in emergency system, easy installation & easy replacement
2. MCU system: With self-test function, it can self test monthly and yearly
3. Intelligent protection, standby 8000hrs before installation
4. Combine emergency function and general light function together,when city power is working well it could work as a general lighting.Once city power shut down,it could provide 90mins emergency lighting.No matter the wall switch is on or off, emergency function will be reactived automatically.
5. Battery lifespan: 1000 cycles
6. Warranty: 3 years