... remote control , you can arm or disarm the alarm with remote control or Timer setting, When PIR ... detect any motion, it will alarm, , it is energy saving ,eco-friendly, wall ... lTimer or remote control to arm/disarm alarm unit automaticallylUltra-loud 130dB alarm soundlExit delay 30 seconds & entry delay ... Library,Wearhouse, Home and so on SP63L-Hot Sale Solar PIR Alarm with Timer