Sargent - 281 - Powerglide Cast Iron Door Closer - Back Check Function - Regular Duty Parallel Arm - Adjustable Size 1-6 - Plastic Cover - Aluminum - Fire Rated - Grade 1 Test Key All others onboard programmable up

All others onboard programmable up to 2010 model years

Camera Image Sensor Micro Four Thirds

Transmit one-channel HD Video and one channel DC Power over a UTP (CAT-5E or CAT-6) Cable

Built-in lithium battery

) Applicable Models HDBW5

Sargent - 281 - Powerglide Cast Iron Door Closer - Back Check Function - Regular Duty Parallel Arm - Adjustable Size 1-6 - Plastic Cover - Aluminum - Fire Rated - Grade 1 Test Key All others onboard programmable upThe Sargent 281 P9 EN Regular duty door closers are designed for interior and exterior doors with quality and flexibility to meet virtually every application. All 281 Series closers are equipped with fluid that allows the units to operate effectively in extreme temperatures without readjustment. The spring size is adjustable to fit any application. The 281 Series door closers are certified to the ANSI BHMA A156. 4 Grade 1 requirements Features Exceeds