The Link2Home Smart Alarm External Siren features adjustable brightness, volume (Max. 105dB) and duration. It has up to 80m open field Zigbee transmission (3.0) and requires a smart alarm hub (L2H-SECUREGWAY).
Mains powered 5V 1A (includes adaptor) with battery backup (supplied).
Specification:
Transmission Range: 80m
Battery Backup: up to 5 days
Fixing: Surface Mount
Protection Rating: IP44