YASONG SLA-B02K 120dB Discrete Signal Alarm Siren, 25W, 12 Tones, IP65, USB Upload, LED Strobe Motion Sensor & Detector Alarm Siren Manual hand crank operation with

Manual hand crank operation with no power required

keep the laser path clear and do not mount the sensing module facing upward

This model uses a magnetic base installation for quick placement on suitable metal vehicle surfaces

Normal and light-sensitive modes for day/night operation

12 built-in alarm sounds selectable by button

YASONG SLA-B02K 120dB Discrete Signal Alarm Siren, 25W, 12 Tones, IP65, USB Upload, LED Strobe Motion Sensor & Detector Alarm Siren Manual hand crank operation withThe YASONG SLA B02K discrete signal alarm siren combines a 0120dB adjustable horn, 25W alarm power and LED strobe warning light for PLC systems, relays, security cameras, automation systems, warehouses, factories and outdoor industrial warning areas. This model works by switch signal activation: after wiring, the siren triggers both audible and visual alerts when it receives a discrete switch signal from a connected external device. Discrete signal