1、Made of high quality polyester and oxford material, sturdy, durable and long service life. 2、Simple design, light and compact, easy to carry and use, convenient and practical. 3、The bicycle bag has bright and easy‑to‑see LED lights. Through wireless remote control, let others know which direction you are pointing or turning to ensure road safety. 4、Using high quality waterproof fabric, with good waterproof performance, can effectively prevent rain. 5、LED remote warning package, not only has the function of memory, but also can be remote warning, simple operation, stand out. 1 x Bag1 x Wireless Remote Control1 x Manual1 x Charging Cable4 x Cable Tie Item Type: Led Signal Bicycle Tail Light BagColor: GreenMaterial: Polyester + OxfordShell Material: PC + ABSWeight: Approx.189g/ 6.7ozSize: Approx. 20.5x 12.4x11cm/ 8.1x 4.9x 4.3inControl Distance: 3meters/ 9.8ftWaterproof Rating of Remote Control: IPX-5Receiver Waterproof Rating: IPX-2Communication Method: Wireless Frequency 2.4GHZRemote Control Battery Capacity: 220mAhCharging Time: 3H (with Led Indicator) Remote Control Battery: 2 x CR2032 (built-in)Receiving Battery: 4.2V, 500Ah Lithium Battery (built-in Battery)Remote Control Battery Model: CR2032 Button Battery (built-in Battery)Functions: Cycling, Climbing, Travel Lights, Turning Lights, Indicator Lights