LED emergency lighting offer longer emergency time and low consume ,more energy-saving and Green. LED emergency lightNon-Maintained type(DC)1. ABS housing, Resist high temperature2. 90Pcs 15,000MCD LED3. 2x4V 2.5Ah recharagable lead-acid battery, full charged time :24hrs (approx)4. Technical circuit construction,no need people cotntrol make it automatic light when now power supply,Automatic off ...