PIR:Pyroelectric Infrared Radial Sensor Material: ABS&PMMA Size(cm): 8.5x8.5x5.8 Power(W): 0.36 Light Source: LED(6pcs) LED Brightness:10000mcd(25º) ;1300mcd(120º) --- (optional) LED Life:>80000H Operating voltage :6V Use conditions Adjustable (From daylight to darkness) Delay time 20S;60S;90S, Constant.(+20%) Influence distance <3m Influence angle >90 º Battery: AAA(4pcs)