- Acoustical signaling: piezo transducer
- Optical signaling: ultra bright LED
- Inner metal shield
- Tamper protection against opening and removing from mounting surface
- Supply voltage (±15%) 12 V DC
- The intensity of sound 120 dB
- Operating temperature range -35…+55 °C



BR 33075
VN 8491
US 6010
AR 5939
MX 4053
IQ 2494
VE 2279
CO 2269
