Siemens SET-HMC-W SF 03/03 The LC-151 and LC-171 are

The LC-151 and LC-171 are dual technology motion detectors that combine passive infrared and microwave detection with pet immunity

500-event buffer

the on-board micro-processor ensures that the relay is in the proper ON/OFF state

Replace with: Kidde KI-SB Standard Detector Mounting Base

The ECC-50BDA includes eight onboard fully supervised speaker circuits zones

Siemens SET-HMC-W SF 03/03 The LC-151 and LC-171 areThe high performance SET Series Speakers and Speaker Strobes provide high audio output, clear audibility, dual voltage (25 70 VRMS) capability and field selectable taps from 1 8 to 8 watts. They are designed to meet the critical needs of the life safety industry for effective emergency voice communications, tone signaling and visible signaling to alert the hearing impaired. The low profile design incorporates a speaker mounting plate for faster and