5000mAh lithium battery with about 8 hours of working time
the siren provides 0–120dB adjustable sound and red
while the small remote adjusts volume
and 3 included remote controllers for outdoor security and industrial warning use
but the current specification lists a 90dB buzzer
YASONG LTD-5088 Battery Magnetic LED Beacon Light, 17 LEDs, IP44, No Sound/85dB, AA Battery Powered Color:Blue 5000mAh lithium battery with aboutThe YASONG LTD 5088 battery magnetic LED strobe beacon light is designed for trucks, vehicles, forklifts, cars and temporary safety warning areas that need quick visual warning without fixed wiring. This model uses 4 AA batteries and a magnetic base, making it easy to install, remove and reuse. The 17 high brightness LED beads provide flashing visual warning for vehicles, work areas and emergency safety use. Battery powered design with 4 AA batteries