The Smoke detector covert 
									cameras were originally developed as a 
									method for monitoring cash registers in 
									retail stores, this camera has evolved into 
									one of the most versatile cameras available. 
									At home, in the office, warehouse or 
									manufacturing environment, the camera is 
									available in hardwired models with a down 
									view camera in one area, making this the 
									perfect choice for a small or a medium sized 
									business. All of the camera have a 3.7mm 78° 
									field of view pinhole mini lens. The color 
									cameras have 480 lines of resolution and low 
									0.4 lux rating.