YASONG SLA-01HK+ABT100 120dB Infrared Beam Alarm Kit, 100m Detector, 25W, IP65, USB Audio, LED Strobe Alarm Sirens 5–100m laser detection range with

5–100m laser detection range with ±2% accuracy

45W high power alarm siren are widely used in gantry crane

Red and blue LED strobe lights for visible safety alerts

Each color button controls the corresponding tower light layer

YASONG SLA-01HK+ABT100 120dB Infrared Beam Alarm Kit, 100m Detector, 25W, IP65, USB Audio, LED Strobe Alarm Sirens 5–100m laser detection range withThe YASONG SLA 01HK+ABT100 is an outdoor infrared beam alarm kit that combines a 120dB sound and light siren with a dual beam infrared detector for perimeter security. This kit works as a beam break alarm system. When both invisible infrared beams between the transmitter and receiver are blocked, the detector sends a signal to the alarm host and triggers the siren and LED strobe. 100m 320ft infrared detection distance for outdoor perimeter protection