This model works by power failure activation: after power is supplied
It is a visual warning light only and does not include a buzzer or siren sound
When the external signal is activated
Color and voltage options for different equipment setups
yellow and green signal colors
YASONG 60 LED Magnetic Beacon Strobe Light, DC12V-24V, 30W, IP65, 3 Flash Modes, Vehicle Warning Light Color:Red color This model works by powerThe YASONG 60 LED magnetic beacon strobe light combines 60 high brightness LED beads, DC12V24V vehicle power input and 3 flashing modes for forklifts, trucks, tractors, carts, UTVs, buses, warehouse yards, farms and road safety areas. This model uses a magnetic mount base, making it suitable for temporary rooftop placement on compatible metal vehicle surfaces. It is a visual warning light only and does not include a siren sound. 60 LED warning beads