Professional installation and grounding are required
31 mile in open areas without walls
This alarm requires wiring and RS-485 control software development capability before use
This model uses solar charging and motion detection to monitor open areas without fixed wiring
YASONG SLA-290-II 7-Color Strobe Siren Light, 120dB, 9 Tones, 3 Flash Modes, DC10-30V, IP69K Microwave Motion Sensor Alarms Professional installation and grounding areThe YASONG SLA 290 II 7 color strobe siren light combines a 0120dB adjustable horn, 9 built in alarm tones and 3 seven color flashing modes for project vehicles, automation equipment, factory workshops, construction sites, lifting machinery and security posts. This model uses a DC1030V power input and comes with an adapter, so no wiring is required for normal use. Tone, volume and flashing mode can be adjusted through the SW1 and SW2 buttons inside