Description J9012 Special bracket for indoor and outdoor sphere dome, wall mounting, luxurious. Material: Enhanced ABS Applicable model: J12, J17, J18, J19 Install mode: wall mounting J9012N with build -in 24V AC current source Description J9011 Bracket for indoor and outdoor enclosure installation. Material: cast-aluminum Applicable model: J47 series (exclude 18") Install mode: wall mounting Description J9002 Special bracket for indoor sphere dome Install mode: pendent mount Material: steel Applicable model: J12, J17, ET series Attention: Waterproof disposal in interface is needed if for outdoor installation. Dimension Description J9004 Mounting bracket for outdoor pan/tilt, built-in decoder and connecting terminal. Material: steel Applicable model: J20, J21, J22, ET20, ET21, ET22 series, (exclude ET2050, J2050series) Install mode: pedestal mounting Description J9003 Matching device for column installation. Material: steel Applicable model: J9000, J9012, J9005 Note: Transient matching device designed specially for column carrier (lamp standard, telegraph pole etc.)