By popular demand, Monoprice is proud to introduce a line of new professional quality security camera accessories! With a wide variety of cameras and accessories to meet the requirements of just about any application, Monoprice will continue to provide our customers with the products that they need at a price they can afford while maintaining the level of quality that they've come to expect.Heater/Blower requires 24VAC (Bracket and Camera sold separately) Compatible with the following Brackets:PID#6697PID#6699PID#6700PID#6701 Compatible with the following cameras: PID#6634350TVL, 1/3 inch Sony Super HAD CCD, 0.3Lux/F1.2, BLC, FLK, DC12V, Brick Security Camera (MCS-340)http://www.monoprice.com/products/product.asp?c_id=110&cp_id=11006&cs_id=1100601&p_id=6634&seq=1&format=2 PID# 6636550TVL, 1/3 inch Sony Super HAD CCD, 0.3Lux/F1.2, BLC, FLK, AC24V/DC12V Dual-Voltage, Brick Security Camera (MCS-940)http://www.monoprice.com/products/product.asp?c_id=110&cp_id=11006&cs_id=1100601&p_id=6636&seq=1&format=2 PID# 6635Super Hi Res 600TVL, 1/3 inch Sony Super HAD CCD, DNR, Sens-Up, D-Zoom(x10), OSD, C/CS Mount, 0.4Lux/F1.2, AC24V/DC12V Dual-Voltage, Brick Security Camera (MCS-750)http://www.monoprice.com/products/product.asp?c_id=110&cp_id=11006&cs_id=1100601&p_id=6635&seq=1&format=2 PID# 6681Super Hi Res 600TVL, 1/3 inch Sony Super HAD CCD, DNR, Sens-Up, D-Zoom(x10), OSD, C/CS Mount, 0.4Lux/F1.2, AC24V/DC12V Dual-Voltage, Brick Security Camera (MCS-750)http://www.monoprice.com/products/product.asp?c_id=110&cp_id=11006&cs_id=1100601&p_id=6635&seq=1&format=2 PID# 6684UTP, 550TVL, 1/3 inch Sony Super HAD CCD, 0.3Lux/F1.2, BLC, FLK, UTP Brick Camera (MUS-940)http://www.monoprice.com/products/product.asp?c_id=110&cp_id=11006&cs_id=1100606&p_id=6684&seq=1&format=2