YASONG SLA-JS5210-1AM Rotating LED Beacon Light, IP66, 100dB Buzzer or No Sound, 12W, Bolt Mount Wireless Remote Control Alarm When both invisible infrared beams

When both invisible infrared beams between the transmitter and receiver are blocked

When power fails

2600mAh rechargeable lithium battery with about 8 hours working time

as the page shows both IP66 and IP65 information

YASONG SLA-JS5210-1AM Rotating LED Beacon Light, IP66, 100dB Buzzer or No Sound, 12W, Bolt Mount Wireless Remote Control Alarm When both invisible infrared beamsThe YASONG SLA JS5210 1AM rotating LED beacon warning light combines a 100mm signal lens with 36 ultra bright LED beads for clear visual warning on vehicles and industrial equipment. This model uses a rotating flashing light mode with 6080 flashes per minute. It is available with a 100dB buzzer or no sound, depending on the selected variant. IP66 enclosed housing for storm, dust and outdoor environments 100mm beacon diameter for strong visual