Sound and light alarm multi-function horn:
1. Smart chip, wireless intelligent learning code.
2. Compatible with 50 wireless accessories.
3. Built-in battery, AC, DC dual use.
4. 110 decibels of police tone, dazzling bright light.
5. Level 8 volume is adjustable and the alarm volume is controlled at your fingertips.
Can be paired with: gas alarm, carbon monoxide alarm, smoke alarm, door and window anti-theft sensor, human body mobile infrared sensor, remote telephone notification and so on.