YASONG SLA-05BY-500 130dB Remote Control Siren, 500m Range, 45W, 12 Tones, LED Strobe Voltage:DC12V while the infrared remote adjusts

while the infrared remote adjusts volume and tone within 8m / 26

and this model does not include sound

This model works by power-on operation: once powered on

The YASONG SLA-BJ02 outdoor alarm siren combines a 110dB single-tone siren with a red LED strobe light to provide clear audible and visual warnings in industrial and outdoor locations

YASONG SLA-05BY-500 130dB Remote Control Siren, 500m Range, 45W, 12 Tones, LED Strobe Voltage:DC12V while the infrared remote adjustsThe YASONG SLA 05BY 500 wireless remote control alarm siren combines a 0130dB adjustable horn, 45W alarm power, 12 alarm tones and a LED strobe warning light for outdoor industrial and emergency security applications. This model works by wireless remote control operation. After wiring and power on, users can turn the alarm on or off by remote controller from up to 500m 0. 31 mile in open areas without walls. 500m remote control range for open area