Specifications Product model: HC-SR501 Working voltage range : Dc voltage from 4.8V-20V static current : Less than50uA Level of output : high 3.3V/low 0V triggered way : L not repeatable triggered/H repeatable triggered (default repeatable triggered) Delay time : 0.5-200s(adjustable) Blocking time : 2.5s(default) Circuit board dimension: 32mm*24mm Angle of induction : less than 100 degree Cone Angle Working temperature :-15C to +70C Induction lens size : Diameter: 23mm (default)