Best Lighting Due To Super Bright Osram Leds. Continuous Dimming Function 10 % To 100 % For Particularly Long Lighting Duration. Bluetooth Connection To Smartphone And App To Control The Light Functions: Continuous Adjustment Of The Light Intensity Up To 5 Work Floodlights Can Be Controlled At The Same Time Timer Allows For Time-Controlled Switch-Off And Switch-On Display Of The Battery Charging. Integrated Lithium-Ion Battery 11.1 V/5.4 Ah With Power Bank Function And Charging Indicator. On/Off And Bluetooth Switch. Rubber Edge Protection For Best Stability