wide angle PIR Power supply: DC9V dry battery Battery life: about half year detecting area: Vertically: 60 degree, horizontally: 110 degre Bracket horizontal adjusted angle: -45 ~ +45 degree Bracket vertical adjusted angle: -45 ~ +45 degree Temperature range: -10o~+50 degree Anti-electromagnetism : >30 v/m, 10MHz-100MHz Anti-white-light : >6500 Lux