YASONG SLA-B02Y-500M 120dB Wireless Remote Siren, 500m Range, 25W, 12 Tones, IP54, USB Audio, LED Strobe Voltage:DC12V Normal and light-sensitive modes for

Normal and light-sensitive modes for day/night operation

This model uses an AC100V–240V wired power input

The YASONG SLA-05BK dry contact trigger alarm siren combines a 0–130dB adjustable horn

485 communication

Battery-powered design with 4 AA batteries

YASONG SLA-B02Y-500M 120dB Wireless Remote Siren, 500m Range, 25W, 12 Tones, IP54, USB Audio, LED Strobe Voltage:DC12V Normal and light-sensitive modes forThe YASONG SLA B02Y 500M is a wireless remote control alarm siren with a 0120dB adjustable loud horn, LED strobe warning, and 500m remote operation for outdoor safety and security alerts. This model stays in standby mode after power on and can be turned on or off by wireless remote control. The wireless remote range is rated up to 500m 0. 3 miles in open areas without walls, while the infrared remote adjusts volume and tone within 8m 26. 2ft. 0120dB