YASONG SLA-B02K 120dB Discrete Signal Alarm Siren, 25W, 12 Tones, IP65, USB Upload, LED Strobe Motion Sensor & Detector Alarm Siren 0–130dB adjustable volume controlled by

0–130dB adjustable volume controlled by the knob on the alarm unit

Manual hand crank operation with no power required

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

Choose the correct voltage option before ordering

YASONG SLA-B02K 120dB Discrete Signal Alarm Siren, 25W, 12 Tones, IP65, USB Upload, LED Strobe Motion Sensor & Detector Alarm Siren 0–130dB adjustable volume controlled byThe 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