Specifications: The high-brightness COB lamp beads has anti-glare design, comprehensively enhance the brightness, long range, longer life, and sufficient brightness. Five light modes can be switched at will (1st gear front light + warning light, 2nd gear fog light + warning light, 3rd gear all lights on at middle brightness, 4th gear all lights bright at high brightness, 5th gear all lights flashing). 130 high decibels with five sound modes, the speaker sound effect can be switched in one second, the loud sound can play a better warning effect. The anti-theft car added the alarm function. Press and hold the switch for three seconds to turn on the anti-theft mode. After 2 seconds, enter the anti-theft state and when people touch the car will sound the alarm. USB fast charging has overcharge and overdischarge protection design. Item Name: Bike Light Material: ABS, GPPS Attributes: Speedometer Type, Charging Type, Battery Powered Type Speedometer Type/Charging Type Power By: 1200 mAh Battery (Included) Battery Powered Type Power By: 3 x AAA Batteries (Not Included) Features: 5 Light Modes, Durable, Convenient Size: 10.2cm x 5cm x 2.5cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Battery Powered Type: 1 x Bike Light 1 x Base 1 x Speaker Controller Charging Type: 1 x Bike Light 1 x Base 1 x Speaker Controller 1 x Charging Cable Speedometer Type 1 x Bike Light 1 x Base 1 x Speaker Controller 1 x Charging Cable 1 x Sensor 1 x Cable Tie 1 x Magnet Transmitter