1 Made of flame retardant ABS plastic, sturdy and durable to use. 2 Microcomputer intelligent control and steady performance. 3 Connect 12V power supply, automatic stroboscopic. Need to distinguish between positive and negative, red to positive, black to negative. 4 110dB sound volume, to make sure you can hear the alarm sound at anywhere in your home. 5 Suitable for security guard booths, gates, roads, tunnels, airports, construction sites as warning lights. It can also be used as photoelectric alarm output of alarm host.
What's in the box
1 x Audible and Aisual Siren