Chassis-Paddle, cover and base made from a non-ferrous alloy 8-3/8" X 2" X 2-5/8", paddle projection 3-1/4", length to end of paddle, 10-3/8".

Power/Electronics-9 volt battery powered. Modern solid state electronics.

Doors-For outward swinging doors with 4" minimum stile.

Alarm/Horn-Alarm sounds for 2 minutes, shuts off and automatically rearms itself. Piercing high frequency horn. Piercing dual frequency pulsating horns. Rated for 90 decibels at 6 feet.

Cylinders-Inside cylinder operation to arm or disarm unit using 1-1/8" mortise cylinder.

Handing- Reversible.

Model 320-Auto relatching.
Red LED indicator flashes when violation occurs Light continues to flash beyond alarm cycles and can only be turned off with the inside key.
One chassis will accept all available trim options.
Unit must be activated to test available battery power

Model 330-Contains same features as the 320.
Low battery alert causes unit to chirp intermittently to indicate low battery power.