Combo Pack : Perfect combination of Bicycle Front Head & Tail Light. This combo gives you a Front Head light with Horn & Dual LED Tail light to complete your cycling experience. About Front (Head) Light : The speaker bicycle light utilizes a XPG LED source, 250 lumens with three profiles dimming technology (High light-Low light-Flashing). Super bright headlight that satisfy your riding needs and keep you safe. The speaker bicycle light with 140 dB horn. A independent switch. It has 5 different kinds of sounds. You can long press the speaker switch for 5 seconds to change the sounds. About Front (Head) Light : The speaker bicycle light has built-in 1200mAh lithium polymer battery. It is rechargeable and with a USB cable. Dimensions - 100 x 50 MM :: Pack Contents - 2 In 1 Bicycle Speak Horn Cum Light + 1 USB Charging Cable About Tail Light : The Laser Cum LED bicycle tail light utilizes a XPG LED source which gives 260 degree visibility and featured with 7 different lighting modes. Super bright 5 LED Lamp 2 Laser has 260 degree wider visibility and 2 laser creates a starry sky around your bike, helping to protect and keep you safe. Kids will simply love it. About Tail Light : Having 7 LED modes like Always bright, flash, slow flash, left to right, right to left and left to right slow flash, Flashing modes changing by pushing the LED button. This bicycle light installs in under 15 seconds. Powered by 2 AAA batteries (NOT Included) (BICYCLE_SPEAKER+TAILLIGHT_COMBO_009)