Relax... you have found a reliable electrician in Cambridge. M I B Security is a friendly and reliable company based in Cambridge who consider no job as too big or too small. Qualified, professional electricians with years of experience in the industry.
"I have an outdoor LED floodlight with a PIR sensor that continuously flickers. I'd like a quote for fault diagnosis and, if necessary, replacing it with a like-for-like LED floodlight."