I would like a a light backup that you screw in the wall I want it to have a switch long life battery life for 72 hours and I want it to use yuji Led's here is their site I want it to be between 700 and 1000 lumens [login to view URL]
6 freelancers are bidding on average $330 for this job
Hello I will be able to assist with this project, do you want to use the [login to view URL] screw in lights or the LED on a custom PCB ? this could be never nice project
Dear Sir, I can handle the formula to design the backup lighting for 72 hours you need. Please hire me to make the calculation and solution for this matter. Thank You.