12 built-in tones selectable by remote control
It supports night-only flashing or all-day flashing
The page lists the remote distance as 2000m / 1
9 built-in alarm tones switchable by button
DC12V–24V vehicle power input and 16
YASONG SLA-800K 120dB Dry Contact Trigger Alarm Siren, 12 Tones, IP65, USB Upload, LED Strobe Voltage:DC12V 12 built-in tones selectable byThe YASONG SLA 800K dry contact trigger alarm siren combines a 120dB loud horn, discrete signal activation and LED strobe warning light for sensors, PLC systems, level gauges, cameras, factories, mines, ports and industrial safety warning areas. This model works by signal triggered operation: after power is connected, the siren stays in standby mode and starts sound and light warning when it receives a sensor or switch signal. 120dB loud alarm sound