Utilitech 180 Degree White Hardwired Integrated LED Motion Activated Flood Light with Timer Subway Backsplash A: They are Grade 5 GlueCore A: They are Grade 5 and should be matched with Grade 5 washers and nuts the function of a solar attic fan is to improve attic air circulation resulting in a healthy Degree of Motion Detection 180 Detection Range (Feet) 60 Package Quantity 1 Number of Light Heads 2 Timer Included Yes Bulb Type Integrated LED Light Bulb Base Type LED Recommended Light Bulb Shape LED Color Temperature (Kelvins) 5000 Power Source Hardwired Two Level Lighting No Dual Detection Zone No Adjustable Detection Sensitivity Yes Adjustable Lamp Head Yes Height (Inches) 6 02 Depth (Inches) 8