Part Number:YKGJ008 Remote control backpack accessory(A) -Size:250x250x15mm -48 LEDs,115x115mm direction indicator -Can be green-red or yellow-red color LEDs -Built-in 850mAh rechargeable Lithium battery -Mini USB recharger(include USB cable) -Black remote,wireless control function -Weight:0.35kg -Product with no logo -Usage:to clip on your backpack |