text: main soch rahi thi ki humare ghar ke bahar ek motion sensor light laga dena chahiye,raat ko jab koi pass ho toh light on ho jaaye, kaafi useful hoga!wow, yeh toh brilliant idea hai, isse ghar ke bahar ka area bhi illuminated rahega aur humhe pata bhi chalega agar koi aata hai, safety toh zaroori hai!