- 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 10000
US 4863
IN 3961
VN 3752
MY 1658
CN 1546
AR 1489
SG 1489
