Nittan EV-SDR Ceiling/Wall Mounted Sounder
The EV-SDR is a compact, low-profile sounder designed for both ceiling and wall mounting. It offers 12 selectable alarm tones (including 3 approved), easily set via DIP switches.
Key Features:
Evolution FSK protocol
EEPROM-addressed (programmer)
12 DIP switch selectable tones (3 approved)
Replaces EV-ABS sounder
Standalone device, not compatible with detectors