Color: red, orange, green, yellow, Bule, etc, can be customized Material: Shade-PC, Base-ABS Rated Voltage: DC12/24 V, AC110/220/380 Ambient temparature:-20 ~ + 55C Volume: 85dB (1 meter) Flashes: 60-80 times/min, built in buzzer Protection Level: IP44 (standard), IP33 (Buzzer type) OEM: Acceptable Application: Subway, Train, Bus and other transportation place Show More