Apollo AlarmSense Optical Smoke Detector – 55000-390APO Wall Sounder Beacon installation is straightforward and doesn't

installation is straightforward and doesn't require any complicated wiring or modifications to your existing setup

we have reimagined our original Video Doorbell to give you sharper 1080p HD Video and improved motion detection

The unit incorporates a volt-free relay contact that can be configured as either N/O or N/C

Its sleek design and modern technology make it an attractive addition to any door

Its sleek and unobtrusive design allows it to blend seamlessly with existing decor while delivering powerful illumination when needed

Apollo AlarmSense Optical Smoke Detector – 55000-390APO Wall Sounder Beacon installation is straightforward and doesn'tApollo AlarmSense Optical Smoke Detector 55000 390 The AlarmSense Optical Smoke Detector works using the light scatter principle. The detector changes to alarm state at a pre set threshold of smoke penetration into the sensing chamber. AlarmSense is a range of conventional fire detection and alarm products designed to be connected to the same pair of supply wires, making installation quicker and less expensive. AlarmSense has been developed to make