Products are suitable for more than 16.5cm wheels<br />Material: PC<br />Battery type: 3xAAA<br />Waterproof: rainy days can be used， do not support the soaking water<br />Battery life: 48 hours of continuous work<br />32 different patterns can flash， built-in light sensor and vibration sensor， and the darkness only at night<br />Earthquake， anti fall， the proposed speed of 20 yards or so， a round of 2 better effect<br /><img src="http://img6.eachbuyer.com/x9/p100/eb00613_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_6.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb00613_7.jpg" />