TELL - 800 Series - Heavy Duty Commercial Door Closer - Parallel Arm Bracket - Adjustable Arm - 1-6 - Full Cover - Backcheck - Optional Finish - Grade 1 12 Pack make sure 48 unlocked before

TELL 800 Series Heavy Duty Commercial Door Closer Parallel Arm Bracket Adjustable Arm 1 6 Full Cover Backcheck Optional Finish Grade 1 12 Pack make sure 48 unlocked before make sure 48 unlocked before writing data Max 30fps Video Bit Rate 128 Kbps~16 Mbps 9:16 Corridor Mode Supported OSD Up to 8 OSDs Privacy Mask Up to 8 areas ROI Up to 8 areas Motion Detection Up to 4 areas Image White Balance Auto Outdoor Fine Tune Sodium Lamp Locked Auto2 Digital noise reduction 2D 3D DNR Smart IR Support Flip Normal Vertical Horizontal 180° 90°Clockwise 90°Anti clockwise Dewarping Support HLC Support BLC Support Smart Behavior Detection Intrusion UL ULC listed up to 3 hours fire rated Chassis Cast aluminum It's a 1 6 adjustable size for most standard door openings